28845375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 53079936

約数和(自身を除く): 24234561

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 97, 125, 183, 195, 291, 305, 325, 375, 485, 793, 915, 975, 1261, 1455, 1525, 1625, 2379, 2425, 3783, 3965, 4575, 4875, 5917, 6305, 7275, 7625, 11895, 12125, 17751, 18915, 19825, 22875, 29585, 31525, 36375, 59475, 76921, 88755, 94575, 99125, 147925, 157625, 230763, 297375, 384605, 443775, 472875, 739625, 1153815, 1923025, 2218875, 5769075, 9615125, 28845375]

約数ペア:

[(1, 28845375), (3, 9615125), (5, 5769075), (13, 2218875), (15, 1923025), (25, 1153815), (39, 739625), (61, 472875), (65, 443775), (75, 384605), (97, 297375), (125, 230763), (183, 157625), (195, 147925), (291, 99125), (305, 94575), (325, 88755), (375, 76921), (485, 59475), (793, 36375), (915, 31525), (975, 29585), (1261, 22875), (1455, 19825), (1525, 18915), (1625, 17751), (2379, 12125), (2425, 11895), (3783, 7625), (3965, 7275), (4575, 6305), (4875, 5917)]