42753825

素因数分解:

$3^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 60

約数和(自身を含む): 81201648

約数和(自身を除く): 38447823

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 215, 225, 387, 405, 491, 645, 675, 1075, 1161, 1473, 1935, 2025, 2455, 3225, 3483, 4419, 5805, 7365, 9675, 12275, 13257, 17415, 21113, 22095, 29025, 36825, 39771, 63339, 66285, 87075, 105565, 110475, 190017, 198855, 316695, 331425, 527825, 570051, 950085, 994275, 1583475, 1710153, 2850255, 4750425, 8550765, 14251275, 42753825]

約数ペア:

[(1, 42753825), (3, 14251275), (5, 8550765), (9, 4750425), (15, 2850255), (25, 1710153), (27, 1583475), (43, 994275), (45, 950085), (75, 570051), (81, 527825), (129, 331425), (135, 316695), (215, 198855), (225, 190017), (387, 110475), (405, 105565), (491, 87075), (645, 66285), (675, 63339), (1075, 39771), (1161, 36825), (1473, 29025), (1935, 22095), (2025, 21113), (2455, 17415), (3225, 13257), (3483, 12275), (4419, 9675), (5805, 7365)]