28516125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 53673984

約数和(自身を除く): 25157859

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 125, 155, 165, 223, 275, 341, 375, 465, 669, 775, 825, 1023, 1115, 1375, 1705, 2325, 2453, 3345, 3875, 4125, 5115, 5575, 6913, 7359, 8525, 11625, 12265, 16725, 20739, 25575, 27875, 34565, 36795, 42625, 61325, 76043, 83625, 103695, 127875, 172825, 183975, 228129, 306625, 380215, 518475, 864125, 919875, 1140645, 1901075, 2592375, 5703225, 9505375, 28516125]

約数ペア:

[(1, 28516125), (3, 9505375), (5, 5703225), (11, 2592375), (15, 1901075), (25, 1140645), (31, 919875), (33, 864125), (55, 518475), (75, 380215), (93, 306625), (125, 228129), (155, 183975), (165, 172825), (223, 127875), (275, 103695), (341, 83625), (375, 76043), (465, 61325), (669, 42625), (775, 36795), (825, 34565), (1023, 27875), (1115, 25575), (1375, 20739), (1705, 16725), (2325, 12265), (2453, 11625), (3345, 8525), (3875, 7359), (4125, 6913), (5115, 5575)]