28493205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6353}}^1$

素因数の和:6397

約数の個数: 32

約数和(自身を含む): 51238656

約数和(自身を除く): 22745451

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 6353, 19059, 31765, 82589, 95295, 146119, 247767, 412945, 438357, 730595, 1238835, 1899547, 2191785, 5698641, 9497735, 28493205]

約数ペア:

[(1, 28493205), (3, 9497735), (5, 5698641), (13, 2191785), (15, 1899547), (23, 1238835), (39, 730595), (65, 438357), (69, 412945), (115, 247767), (195, 146119), (299, 95295), (345, 82589), (897, 31765), (1495, 19059), (4485, 6353)]