12817875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 25758720

約数和(自身を除く): 12940845

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 125, 133, 175, 257, 285, 375, 399, 475, 525, 665, 771, 875, 1285, 1425, 1799, 1995, 2375, 2625, 3325, 3855, 4883, 5397, 6425, 7125, 8995, 9975, 14649, 16625, 19275, 24415, 26985, 32125, 34181, 44975, 49875, 73245, 96375, 102543, 122075, 134925, 170905, 224875, 366225, 512715, 610375, 674625, 854525, 1831125, 2563575, 4272625, 12817875]

約数ペア:

[(1, 12817875), (3, 4272625), (5, 2563575), (7, 1831125), (15, 854525), (19, 674625), (21, 610375), (25, 512715), (35, 366225), (57, 224875), (75, 170905), (95, 134925), (105, 122075), (125, 102543), (133, 96375), (175, 73245), (257, 49875), (285, 44975), (375, 34181), (399, 32125), (475, 26985), (525, 24415), (665, 19275), (771, 16625), (875, 14649), (1285, 9975), (1425, 8995), (1799, 7125), (1995, 6425), (2375, 5397), (2625, 4883), (3325, 3855)]