28744335

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1429}}^1$

素因数の和:1592

約数の個数: 32

約数和(自身を含む): 51480000

約数和(自身を除く): 22735665

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 1429, 2235, 4023, 4287, 6705, 7145, 12861, 20115, 21435, 38583, 64305, 192915, 212921, 638763, 1064605, 1916289, 3193815, 5748867, 9581445, 28744335]

約数ペア:

[(1, 28744335), (3, 9581445), (5, 5748867), (9, 3193815), (15, 1916289), (27, 1064605), (45, 638763), (135, 212921), (149, 192915), (447, 64305), (745, 38583), (1341, 21435), (1429, 20115), (2235, 12861), (4023, 7145), (4287, 6705)]