90815205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 165166848

約数和(自身を除く): 74351643

約数列:

[1, 3, 5, 13, 15, 37, 39, 41, 65, 111, 123, 185, 195, 205, 307, 481, 533, 555, 615, 921, 1443, 1517, 1535, 1599, 2405, 2665, 3991, 4551, 4605, 7215, 7585, 7995, 11359, 11973, 12587, 19721, 19955, 22755, 34077, 37761, 56795, 59163, 59865, 62935, 98605, 147667, 163631, 170385, 188805, 295815, 443001, 465719, 490893, 738335, 818155, 1397157, 2215005, 2328595, 2454465, 6054347, 6985785, 18163041, 30271735, 90815205]

約数ペア:

[(1, 90815205), (3, 30271735), (5, 18163041), (13, 6985785), (15, 6054347), (37, 2454465), (39, 2328595), (41, 2215005), (65, 1397157), (111, 818155), (123, 738335), (185, 490893), (195, 465719), (205, 443001), (307, 295815), (481, 188805), (533, 170385), (555, 163631), (615, 147667), (921, 98605), (1443, 62935), (1517, 59865), (1535, 59163), (1599, 56795), (2405, 37761), (2665, 34077), (3991, 22755), (4551, 19955), (4605, 19721), (7215, 12587), (7585, 11973), (7995, 11359)]