65918475

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{1993}}^1$

素因数の和:2026

約数の個数: 72

約数和(自身を含む): 140935920

約数和(自身を除く): 75017445

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 225, 245, 315, 441, 525, 675, 735, 945, 1225, 1323, 1575, 1993, 2205, 3675, 4725, 5979, 6615, 9965, 11025, 13951, 17937, 29895, 33075, 41853, 49825, 53811, 69755, 89685, 97657, 125559, 149475, 209265, 269055, 292971, 348775, 376677, 448425, 488285, 627795, 878913, 1046325, 1345275, 1464855, 1883385, 2441425, 2636739, 3138975, 4394565, 7324275, 9416925, 13183695, 21972825, 65918475]

約数ペア:

[(1, 65918475), (3, 21972825), (5, 13183695), (7, 9416925), (9, 7324275), (15, 4394565), (21, 3138975), (25, 2636739), (27, 2441425), (35, 1883385), (45, 1464855), (49, 1345275), (63, 1046325), (75, 878913), (105, 627795), (135, 488285), (147, 448425), (175, 376677), (189, 348775), (225, 292971), (245, 269055), (315, 209265), (441, 149475), (525, 125559), (675, 97657), (735, 89685), (945, 69755), (1225, 53811), (1323, 49825), (1575, 41853), (1993, 33075), (2205, 29895), (3675, 17937), (4725, 13951), (5979, 11025), (6615, 9965)]