81754938

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^2$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 193823604

約数和(自身を除く): 112068666

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 71, 102, 106, 142, 153, 159, 213, 306, 318, 426, 477, 639, 901, 954, 1207, 1278, 1802, 2414, 2703, 3621, 3763, 5041, 5406, 7242, 7526, 8109, 10082, 10863, 11289, 15123, 16218, 21726, 22578, 30246, 33867, 45369, 63971, 67734, 85697, 90738, 127942, 171394, 191913, 257091, 267173, 383826, 514182, 534346, 575739, 771273, 801519, 1151478, 1542546, 1603038, 2404557, 4541941, 4809114, 9083882, 13625823, 27251646, 40877469, 81754938]

約数ペア:

[(1, 81754938), (2, 40877469), (3, 27251646), (6, 13625823), (9, 9083882), (17, 4809114), (18, 4541941), (34, 2404557), (51, 1603038), (53, 1542546), (71, 1151478), (102, 801519), (106, 771273), (142, 575739), (153, 534346), (159, 514182), (213, 383826), (306, 267173), (318, 257091), (426, 191913), (477, 171394), (639, 127942), (901, 90738), (954, 85697), (1207, 67734), (1278, 63971), (1802, 45369), (2414, 33867), (2703, 30246), (3621, 22578), (3763, 21726), (5041, 16218), (5406, 15123), (7242, 11289), (7526, 10863), (8109, 10082)]