405478125

素因数分解:

$3^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1153

約数の個数: 72

約数和(自身を含む): 789090120

約数和(自身を除く): 383611995

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 625, 975, 1109, 1125, 1625, 1875, 2925, 3125, 3327, 4875, 5545, 5625, 8125, 9375, 9981, 14417, 14625, 16635, 24375, 27725, 28125, 40625, 43251, 49905, 72085, 73125, 83175, 121875, 129753, 138625, 216255, 249525, 360425, 365625, 415875, 648765, 693125, 1081275, 1247625, 1802125, 2079375, 3243825, 3465625, 5406375, 6238125, 9010625, 10396875, 16219125, 27031875, 31190625, 45053125, 81095625, 135159375, 405478125]

約数ペア:

[(1, 405478125), (3, 135159375), (5, 81095625), (9, 45053125), (13, 31190625), (15, 27031875), (25, 16219125), (39, 10396875), (45, 9010625), (65, 6238125), (75, 5406375), (117, 3465625), (125, 3243825), (195, 2079375), (225, 1802125), (325, 1247625), (375, 1081275), (585, 693125), (625, 648765), (975, 415875), (1109, 365625), (1125, 360425), (1625, 249525), (1875, 216255), (2925, 138625), (3125, 129753), (3327, 121875), (4875, 83175), (5545, 73125), (5625, 72085), (8125, 49905), (9375, 43251), (9981, 40625), (14417, 28125), (14625, 27725), (16635, 24375)]