138833475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 279624960

約数和(自身を除く): 140791485

約数列:

[1, 3, 5, 11, 15, 17, 19, 25, 33, 51, 55, 57, 75, 85, 95, 165, 187, 209, 255, 275, 285, 323, 425, 475, 521, 561, 627, 825, 935, 969, 1045, 1275, 1425, 1563, 1615, 2605, 2805, 3135, 3553, 4675, 4845, 5225, 5731, 7815, 8075, 8857, 9899, 10659, 13025, 14025, 15675, 17193, 17765, 24225, 26571, 28655, 29697, 39075, 44285, 49495, 53295, 85965, 88825, 97427, 108889, 132855, 143275, 148485, 168283, 221425, 247475, 266475, 292281, 326667, 429825, 487135, 504849, 544445, 664275, 742425, 841415, 1461405, 1633335, 1851113, 2435675, 2524245, 2722225, 4207075, 5553339, 7307025, 8166675, 9255565, 12621225, 27766695, 46277825, 138833475]

約数ペア:

[(1, 138833475), (3, 46277825), (5, 27766695), (11, 12621225), (15, 9255565), (17, 8166675), (19, 7307025), (25, 5553339), (33, 4207075), (51, 2722225), (55, 2524245), (57, 2435675), (75, 1851113), (85, 1633335), (95, 1461405), (165, 841415), (187, 742425), (209, 664275), (255, 544445), (275, 504849), (285, 487135), (323, 429825), (425, 326667), (475, 292281), (521, 266475), (561, 247475), (627, 221425), (825, 168283), (935, 148485), (969, 143275), (1045, 132855), (1275, 108889), (1425, 97427), (1563, 88825), (1615, 85965), (2605, 53295), (2805, 49495), (3135, 44285), (3553, 39075), (4675, 29697), (4845, 28655), (5225, 26571), (5731, 24225), (7815, 17765), (8075, 17193), (8857, 15675), (9899, 14025), (10659, 13025)]