28508235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15971}}^1$

素因数の和:16003

約数の個数: 32

約数和(自身を含む): 55199232

約数和(自身を除く): 26690997

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 15971, 47913, 79855, 111797, 239565, 271507, 335391, 558985, 814521, 1357535, 1676955, 1900549, 4072605, 5701647, 9502745, 28508235]

約数ペア:

[(1, 28508235), (3, 9502745), (5, 5701647), (7, 4072605), (15, 1900549), (17, 1676955), (21, 1357535), (35, 814521), (51, 558985), (85, 335391), (105, 271507), (119, 239565), (255, 111797), (357, 79855), (595, 47913), (1785, 15971)]