820374525

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1543}}^1$

素因数の和:1715

約数の個数: 72

約数和(自身を含む): 1568024640

約数和(自身を除く): 747650115

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 139, 153, 225, 255, 417, 425, 695, 765, 1251, 1275, 1543, 2085, 2363, 3475, 3825, 4629, 6255, 7089, 7715, 10425, 11815, 13887, 21267, 23145, 26231, 31275, 35445, 38575, 59075, 69435, 78693, 106335, 115725, 131155, 177225, 214477, 236079, 347175, 393465, 531675, 643431, 655775, 1072385, 1180395, 1930293, 1967325, 3217155, 3646109, 5361925, 5901975, 9651465, 10938327, 16085775, 18230545, 32814981, 48257325, 54691635, 91152725, 164074905, 273458175, 820374525]

約数ペア:

[(1, 820374525), (3, 273458175), (5, 164074905), (9, 91152725), (15, 54691635), (17, 48257325), (25, 32814981), (45, 18230545), (51, 16085775), (75, 10938327), (85, 9651465), (139, 5901975), (153, 5361925), (225, 3646109), (255, 3217155), (417, 1967325), (425, 1930293), (695, 1180395), (765, 1072385), (1251, 655775), (1275, 643431), (1543, 531675), (2085, 393465), (2363, 347175), (3475, 236079), (3825, 214477), (4629, 177225), (6255, 131155), (7089, 115725), (7715, 106335), (10425, 78693), (11815, 69435), (13887, 59075), (21267, 38575), (23145, 35445), (26231, 31275)]