331387605

素因数分解:

$3^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{877}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 598276224

約数和(自身を除く): 266888619

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 311, 405, 877, 933, 1215, 1555, 2631, 2799, 4385, 4665, 7893, 8397, 13155, 13995, 23679, 25191, 39465, 41985, 71037, 75573, 118395, 125955, 213111, 272747, 355185, 377865, 818241, 1065555, 1363735, 2454723, 4091205, 7364169, 12273615, 22092507, 36820845, 66277521, 110462535, 331387605]

約数ペア:

[(1, 331387605), (3, 110462535), (5, 66277521), (9, 36820845), (15, 22092507), (27, 12273615), (45, 7364169), (81, 4091205), (135, 2454723), (243, 1363735), (311, 1065555), (405, 818241), (877, 377865), (933, 355185), (1215, 272747), (1555, 213111), (2631, 125955), (2799, 118395), (4385, 75573), (4665, 71037), (7893, 41985), (8397, 39465), (13155, 25191), (13995, 23679)]