290043681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{373}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 417922560

約数和(自身を除く): 127878879

約数列:

[1, 3, 17, 51, 79, 193, 237, 373, 579, 1119, 1343, 3281, 4029, 6341, 9843, 15247, 19023, 29467, 45741, 71989, 88401, 215967, 259199, 500939, 777597, 1223813, 1502817, 3671439, 5687131, 17061393, 96681227, 290043681]

約数ペア:

[(1, 290043681), (3, 96681227), (17, 17061393), (51, 5687131), (79, 3671439), (193, 1502817), (237, 1223813), (373, 777597), (579, 500939), (1119, 259199), (1343, 215967), (3281, 88401), (4029, 71989), (6341, 45741), (9843, 29467), (15247, 19023)]