290499315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{49531}}^1$

素因数の和:49579

約数の個数: 32

約数和(自身を含む): 513547776

約数和(自身を除く): 223048461

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 49531, 148593, 247655, 742965, 842027, 1139213, 2526081, 3417639, 4210135, 5696065, 12630405, 17088195, 19366621, 58099863, 96833105, 290499315]

約数ペア:

[(1, 290499315), (3, 96833105), (5, 58099863), (15, 19366621), (17, 17088195), (23, 12630405), (51, 5696065), (69, 4210135), (85, 3417639), (115, 2526081), (255, 1139213), (345, 842027), (391, 742965), (1173, 247655), (1955, 148593), (5865, 49531)]