28803015

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 55194048

約数和(自身を除く): 26391033

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1637, 1955, 3519, 4911, 5865, 8185, 14733, 17595, 24555, 27829, 37651, 73665, 83487, 112953, 139145, 188255, 250461, 338859, 417435, 564765, 640067, 1252305, 1694295, 1920201, 3200335, 5760603, 9601005, 28803015]

約数ペア:

[(1, 28803015), (3, 9601005), (5, 5760603), (9, 3200335), (15, 1920201), (17, 1694295), (23, 1252305), (45, 640067), (51, 564765), (69, 417435), (85, 338859), (115, 250461), (153, 188255), (207, 139145), (255, 112953), (345, 83487), (391, 73665), (765, 37651), (1035, 27829), (1173, 24555), (1637, 17595), (1955, 14733), (3519, 8185), (4911, 5865)]