15984375

素因数分解:

$3^1\times 5^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 56

約数和(自身を含む): 29999616

約数和(自身を除く): 14015241

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 125, 155, 165, 275, 341, 375, 465, 625, 775, 825, 1023, 1375, 1705, 1875, 2325, 3125, 3875, 4125, 5115, 6875, 8525, 9375, 11625, 15625, 19375, 20625, 25575, 34375, 42625, 46875, 58125, 96875, 103125, 127875, 171875, 213125, 290625, 484375, 515625, 639375, 1065625, 1453125, 3196875, 5328125, 15984375]

約数ペア:

[(1, 15984375), (3, 5328125), (5, 3196875), (11, 1453125), (15, 1065625), (25, 639375), (31, 515625), (33, 484375), (55, 290625), (75, 213125), (93, 171875), (125, 127875), (155, 103125), (165, 96875), (275, 58125), (341, 46875), (375, 42625), (465, 34375), (625, 25575), (775, 20625), (825, 19375), (1023, 15625), (1375, 11625), (1705, 9375), (1875, 8525), (2325, 6875), (3125, 5115), (3875, 4125)]