685425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 1319360

約数和(自身を除く): 633935

約数列:

[1, 3, 5, 13, 15, 19, 25, 37, 39, 57, 65, 75, 95, 111, 185, 195, 247, 285, 325, 475, 481, 555, 703, 741, 925, 975, 1235, 1425, 1443, 2109, 2405, 2775, 3515, 3705, 6175, 7215, 9139, 10545, 12025, 17575, 18525, 27417, 36075, 45695, 52725, 137085, 228475, 685425]

約数ペア:

[(1, 685425), (3, 228475), (5, 137085), (13, 52725), (15, 45695), (19, 36075), (25, 27417), (37, 18525), (39, 17575), (57, 12025), (65, 10545), (75, 9139), (95, 7215), (111, 6175), (185, 3705), (195, 3515), (247, 2775), (285, 2405), (325, 2109), (475, 1443), (481, 1425), (555, 1235), (703, 975), (741, 925)]