260838123

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 490291200

約数和(自身を除く): 229453077

約数列:

[1, 3, 7, 13, 17, 21, 31, 37, 39, 49, 51, 91, 93, 111, 119, 147, 217, 221, 259, 273, 343, 357, 403, 481, 527, 629, 637, 651, 663, 777, 833, 1029, 1147, 1209, 1443, 1519, 1547, 1581, 1813, 1887, 1911, 2499, 2821, 3367, 3441, 3689, 4403, 4459, 4557, 4641, 5439, 5831, 6851, 8029, 8177, 8463, 10101, 10633, 10829, 11067, 12691, 13209, 13377, 14911, 17493, 19499, 19747, 20553, 23569, 24087, 24531, 25823, 30821, 31899, 32487, 38073, 44733, 47957, 56203, 57239, 58497, 59241, 70707, 75803, 77469, 92463, 104377, 136493, 138229, 143871, 164983, 168609, 171717, 180761, 215747, 227409, 253487, 313131, 335699, 393421, 400673, 409479, 414687, 494949, 542283, 647241, 730639, 760461, 955451, 1007097, 1180263, 1202019, 1774409, 2191917, 2349893, 2804711, 2866353, 5114473, 5323227, 6688157, 7049679, 8414133, 12420863, 15343419, 20064471, 37262589, 86946041, 260838123]

約数ペア:

[(1, 260838123), (3, 86946041), (7, 37262589), (13, 20064471), (17, 15343419), (21, 12420863), (31, 8414133), (37, 7049679), (39, 6688157), (49, 5323227), (51, 5114473), (91, 2866353), (93, 2804711), (111, 2349893), (119, 2191917), (147, 1774409), (217, 1202019), (221, 1180263), (259, 1007097), (273, 955451), (343, 760461), (357, 730639), (403, 647241), (481, 542283), (527, 494949), (629, 414687), (637, 409479), (651, 400673), (663, 393421), (777, 335699), (833, 313131), (1029, 253487), (1147, 227409), (1209, 215747), (1443, 180761), (1519, 171717), (1547, 168609), (1581, 164983), (1813, 143871), (1887, 138229), (1911, 136493), (2499, 104377), (2821, 92463), (3367, 77469), (3441, 75803), (3689, 70707), (4403, 59241), (4459, 58497), (4557, 57239), (4641, 56203), (5439, 47957), (5831, 44733), (6851, 38073), (8029, 32487), (8177, 31899), (8463, 30821), (10101, 25823), (10633, 24531), (10829, 24087), (11067, 23569), (12691, 20553), (13209, 19747), (13377, 19499), (14911, 17493)]