73713825

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 142565280

約数和(自身を除く): 68851455

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 129, 171, 215, 225, 285, 387, 401, 475, 645, 817, 855, 1075, 1203, 1425, 1935, 2005, 2451, 3225, 3609, 4085, 4275, 6015, 7353, 7619, 9675, 10025, 12255, 17243, 18045, 20425, 22857, 30075, 36765, 38095, 51729, 61275, 68571, 86215, 90225, 114285, 155187, 183825, 190475, 258645, 327617, 342855, 431075, 571425, 775935, 982851, 1293225, 1638085, 1714275, 2948553, 3879675, 4914255, 8190425, 14742765, 24571275, 73713825]

約数ペア:

[(1, 73713825), (3, 24571275), (5, 14742765), (9, 8190425), (15, 4914255), (19, 3879675), (25, 2948553), (43, 1714275), (45, 1638085), (57, 1293225), (75, 982851), (95, 775935), (129, 571425), (171, 431075), (215, 342855), (225, 327617), (285, 258645), (387, 190475), (401, 183825), (475, 155187), (645, 114285), (817, 90225), (855, 86215), (1075, 68571), (1203, 61275), (1425, 51729), (1935, 38095), (2005, 36765), (2451, 30075), (3225, 22857), (3609, 20425), (4085, 18045), (4275, 17243), (6015, 12255), (7353, 10025), (7619, 9675)]