28837575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9859}}^1$

素因数の和:9888

約数の個数: 36

約数和(自身を含む): 55630120

約数和(自身を除く): 26792545

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 9859, 29577, 49295, 88731, 128167, 147885, 246475, 384501, 443655, 640835, 739425, 1153503, 1922505, 2218275, 3204175, 5767515, 9612525, 28837575]

約数ペア:

[(1, 28837575), (3, 9612525), (5, 5767515), (9, 3204175), (13, 2218275), (15, 1922505), (25, 1153503), (39, 739425), (45, 640835), (65, 443655), (75, 384501), (117, 246475), (195, 147885), (225, 128167), (325, 88731), (585, 49295), (975, 29577), (2925, 9859)]