28697475

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12343}}^1$

素因数の和:12387

約数の個数: 24

約数和(自身を含む): 48980992

約数和(自身を除く): 20283517

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 12343, 37029, 61715, 185145, 308575, 382633, 925725, 1147899, 1913165, 5739495, 9565825, 28697475]

約数ペア:

[(1, 28697475), (3, 9565825), (5, 5739495), (15, 1913165), (25, 1147899), (31, 925725), (75, 382633), (93, 308575), (155, 185145), (465, 61715), (775, 37029), (2325, 12343)]