28936875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 80

約数和(自身を含む): 55782144

約数和(自身を除く): 26845269

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 61, 69, 75, 115, 125, 165, 183, 253, 275, 305, 345, 375, 575, 625, 671, 759, 825, 915, 1265, 1375, 1403, 1525, 1725, 1875, 2013, 2875, 3355, 3795, 4125, 4209, 4575, 6325, 6875, 7015, 7625, 8625, 10065, 14375, 15433, 16775, 18975, 20625, 21045, 22875, 31625, 35075, 38125, 43125, 46299, 50325, 77165, 83875, 94875, 105225, 114375, 158125, 175375, 231495, 251625, 385825, 419375, 474375, 526125, 876875, 1157475, 1258125, 1929125, 2630625, 5787375, 9645625, 28936875]

約数ペア:

[(1, 28936875), (3, 9645625), (5, 5787375), (11, 2630625), (15, 1929125), (23, 1258125), (25, 1157475), (33, 876875), (55, 526125), (61, 474375), (69, 419375), (75, 385825), (115, 251625), (125, 231495), (165, 175375), (183, 158125), (253, 114375), (275, 105225), (305, 94875), (345, 83875), (375, 77165), (575, 50325), (625, 46299), (671, 43125), (759, 38125), (825, 35075), (915, 31625), (1265, 22875), (1375, 21045), (1403, 20625), (1525, 18975), (1725, 16775), (1875, 15433), (2013, 14375), (2875, 10065), (3355, 8625), (3795, 7625), (4125, 7015), (4209, 6875), (4575, 6325)]