28813305

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 18464775

約数列:

[1, 3, 5, 15, 89, 113, 191, 267, 339, 445, 565, 573, 955, 1335, 1695, 2865, 10057, 16999, 21583, 30171, 50285, 50997, 64749, 84995, 107915, 150855, 254985, 323745, 1920887, 5762661, 9604435, 28813305]

約数ペア:

[(1, 28813305), (3, 9604435), (5, 5762661), (15, 1920887), (89, 323745), (113, 254985), (191, 150855), (267, 107915), (339, 84995), (445, 64749), (565, 50997), (573, 50285), (955, 30171), (1335, 21583), (1695, 16999), (2865, 10057)]