27917825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 40997376

約数和(自身を除く): 13079551

約数列:

[1, 5, 13, 17, 25, 31, 65, 85, 155, 163, 221, 325, 403, 425, 527, 775, 815, 1105, 2015, 2119, 2635, 2771, 4075, 5053, 5525, 6851, 10075, 10595, 13175, 13855, 25265, 34255, 36023, 52975, 65689, 69275, 85901, 126325, 171275, 180115, 328445, 429505, 900575, 1116713, 1642225, 2147525, 5583565, 27917825]

約数ペア:

[(1, 27917825), (5, 5583565), (13, 2147525), (17, 1642225), (25, 1116713), (31, 900575), (65, 429505), (85, 328445), (155, 180115), (163, 171275), (221, 126325), (325, 85901), (403, 69275), (425, 65689), (527, 52975), (775, 36023), (815, 34255), (1105, 25265), (2015, 13855), (2119, 13175), (2635, 10595), (2771, 10075), (4075, 6851), (5053, 5525)]