28345725

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2377}}^1$

素因数の和:2446

約数の個数: 36

約数和(自身を含む): 51750036

約数和(自身を除く): 23404311

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 159, 225, 265, 477, 795, 1325, 2377, 2385, 3975, 7131, 11885, 11925, 21393, 35655, 59425, 106965, 125981, 178275, 377943, 534825, 629905, 1133829, 1889715, 3149525, 5669145, 9448575, 28345725]

約数ペア:

[(1, 28345725), (3, 9448575), (5, 5669145), (9, 3149525), (15, 1889715), (25, 1133829), (45, 629905), (53, 534825), (75, 377943), (159, 178275), (225, 125981), (265, 106965), (477, 59425), (795, 35655), (1325, 21393), (2377, 11925), (2385, 11885), (3975, 7131)]