121730778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 305690112

約数和(自身を除く): 183959334

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 71, 78, 102, 117, 142, 153, 213, 221, 234, 306, 426, 431, 442, 639, 663, 862, 923, 1207, 1278, 1293, 1326, 1846, 1989, 2414, 2586, 2769, 3621, 3879, 3978, 5538, 5603, 7242, 7327, 7758, 8307, 10863, 11206, 14654, 15691, 16614, 16809, 21726, 21981, 30601, 31382, 33618, 43962, 47073, 50427, 61202, 65943, 91803, 94146, 95251, 100854, 131886, 141219, 183606, 190502, 275409, 282438, 285753, 397813, 520217, 550818, 571506, 795626, 857259, 1040434, 1193439, 1560651, 1714518, 2386878, 3121302, 3580317, 4681953, 6762821, 7160634, 9363906, 13525642, 20288463, 40576926, 60865389, 121730778]

約数ペア:

[(1, 121730778), (2, 60865389), (3, 40576926), (6, 20288463), (9, 13525642), (13, 9363906), (17, 7160634), (18, 6762821), (26, 4681953), (34, 3580317), (39, 3121302), (51, 2386878), (71, 1714518), (78, 1560651), (102, 1193439), (117, 1040434), (142, 857259), (153, 795626), (213, 571506), (221, 550818), (234, 520217), (306, 397813), (426, 285753), (431, 282438), (442, 275409), (639, 190502), (663, 183606), (862, 141219), (923, 131886), (1207, 100854), (1278, 95251), (1293, 94146), (1326, 91803), (1846, 65943), (1989, 61202), (2414, 50427), (2586, 47073), (2769, 43962), (3621, 33618), (3879, 31382), (3978, 30601), (5538, 21981), (5603, 21726), (7242, 16809), (7327, 16614), (7758, 15691), (8307, 14654), (10863, 11206)]