64783395

素因数分解:

$3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1553}}^1$

素因数の和:1673

約数の個数: 40

約数和(自身を含む): 117333216

約数和(自身を除く): 52549821

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 309, 405, 515, 927, 1545, 1553, 2781, 4635, 4659, 7765, 8343, 13905, 13977, 23295, 41715, 41931, 69885, 125793, 159959, 209655, 479877, 628965, 799795, 1439631, 2399385, 4318893, 7198155, 12956679, 21594465, 64783395]

約数ペア:

[(1, 64783395), (3, 21594465), (5, 12956679), (9, 7198155), (15, 4318893), (27, 2399385), (45, 1439631), (81, 799795), (103, 628965), (135, 479877), (309, 209655), (405, 159959), (515, 125793), (927, 69885), (1545, 41931), (1553, 41715), (2781, 23295), (4635, 13977), (4659, 13905), (7765, 8343)]