12778875

素因数分解:

$3^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 23735712

約数和(自身を除く): 10956837

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 125, 185, 225, 307, 333, 375, 555, 921, 925, 1125, 1535, 1665, 2763, 2775, 4605, 4625, 7675, 8325, 11359, 13815, 13875, 23025, 34077, 38375, 41625, 56795, 69075, 102231, 115125, 170385, 283975, 345375, 511155, 851925, 1419875, 2555775, 4259625, 12778875]

約数ペア:

[(1, 12778875), (3, 4259625), (5, 2555775), (9, 1419875), (15, 851925), (25, 511155), (37, 345375), (45, 283975), (75, 170385), (111, 115125), (125, 102231), (185, 69075), (225, 56795), (307, 41625), (333, 38375), (375, 34077), (555, 23025), (921, 13875), (925, 13815), (1125, 11359), (1535, 8325), (1665, 7675), (2763, 4625), (2775, 4605)]