287273205

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{26489}}^1$

素因数の和:26741

約数の個数: 24

約数和(自身を含む): 500025240

約数和(自身を除く): 212752035

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 2169, 3615, 10845, 26489, 79467, 132445, 238401, 397335, 1192005, 6383849, 19151547, 31919245, 57454641, 95757735, 287273205]

約数ペア:

[(1, 287273205), (3, 95757735), (5, 57454641), (9, 31919245), (15, 19151547), (45, 6383849), (241, 1192005), (723, 397335), (1205, 238401), (2169, 132445), (3615, 79467), (10845, 26489)]