7211445

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 12068352

約数和(自身を除く): 4856907

約数列:

[1, 3, 5, 15, 47, 53, 141, 159, 193, 235, 265, 579, 705, 795, 965, 2491, 2895, 7473, 9071, 10229, 12455, 27213, 30687, 37365, 45355, 51145, 136065, 153435, 480763, 1442289, 2403815, 7211445]

約数ペア:

[(1, 7211445), (3, 2403815), (5, 1442289), (15, 480763), (47, 153435), (53, 136065), (141, 51145), (159, 45355), (193, 37365), (235, 30687), (265, 27213), (579, 12455), (705, 10229), (795, 9071), (965, 7473), (2491, 2895)]