25338525

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 45009024

約数和(自身を除く): 19670499

約数列:

[1, 3, 5, 15, 23, 25, 37, 69, 75, 111, 115, 185, 345, 397, 555, 575, 851, 925, 1191, 1725, 1985, 2553, 2775, 4255, 5955, 9131, 9925, 12765, 14689, 21275, 27393, 29775, 44067, 45655, 63825, 73445, 136965, 220335, 228275, 337847, 367225, 684825, 1013541, 1101675, 1689235, 5067705, 8446175, 25338525]

約数ペア:

[(1, 25338525), (3, 8446175), (5, 5067705), (15, 1689235), (23, 1101675), (25, 1013541), (37, 684825), (69, 367225), (75, 337847), (111, 228275), (115, 220335), (185, 136965), (345, 73445), (397, 63825), (555, 45655), (575, 44067), (851, 29775), (925, 27393), (1191, 21275), (1725, 14689), (1985, 12765), (2553, 9925), (2775, 9131), (4255, 5955)]