28359375

素因数分解:

$3^1\times 5^7\times {\mathrm{11}}^2$

素因数の和:60

約数の個数: 48

約数和(自身を含む): 51952992

約数和(自身を除く): 23593617

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 165, 275, 363, 375, 605, 625, 825, 1375, 1815, 1875, 3025, 3125, 4125, 6875, 9075, 9375, 15125, 15625, 20625, 34375, 45375, 46875, 75625, 78125, 103125, 171875, 226875, 234375, 378125, 515625, 859375, 1134375, 1890625, 2578125, 5671875, 9453125, 28359375]

約数ペア:

[(1, 28359375), (3, 9453125), (5, 5671875), (11, 2578125), (15, 1890625), (25, 1134375), (33, 859375), (55, 515625), (75, 378125), (121, 234375), (125, 226875), (165, 171875), (275, 103125), (363, 78125), (375, 75625), (605, 46875), (625, 45375), (825, 34375), (1375, 20625), (1815, 15625), (1875, 15125), (3025, 9375), (3125, 9075), (4125, 6875)]