2563575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 5118720

約数和(自身を除く): 2555145

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 257, 285, 399, 475, 525, 665, 771, 1285, 1425, 1799, 1995, 3325, 3855, 4883, 5397, 6425, 8995, 9975, 14649, 19275, 24415, 26985, 34181, 44975, 73245, 102543, 122075, 134925, 170905, 366225, 512715, 854525, 2563575]

約数ペア:

[(1, 2563575), (3, 854525), (5, 512715), (7, 366225), (15, 170905), (19, 134925), (21, 122075), (25, 102543), (35, 73245), (57, 44975), (75, 34181), (95, 26985), (105, 24415), (133, 19275), (175, 14649), (257, 9975), (285, 8995), (399, 6425), (475, 5397), (525, 4883), (665, 3855), (771, 3325), (1285, 1995), (1425, 1799)]