131610825

素因数分解:

$3^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:756

約数の個数: 60

約数和(自身を含む): 246545728

約数和(自身を除く): 114934903

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 103, 135, 225, 309, 405, 515, 631, 675, 927, 1545, 1893, 2025, 2575, 2781, 3155, 4635, 5679, 7725, 8343, 9465, 13905, 15775, 17037, 23175, 28395, 41715, 47325, 51111, 64993, 69525, 85185, 141975, 194979, 208575, 255555, 324965, 425925, 584937, 974895, 1277775, 1624825, 1754811, 2924685, 4874475, 5264433, 8774055, 14623425, 26322165, 43870275, 131610825]

約数ペア:

[(1, 131610825), (3, 43870275), (5, 26322165), (9, 14623425), (15, 8774055), (25, 5264433), (27, 4874475), (45, 2924685), (75, 1754811), (81, 1624825), (103, 1277775), (135, 974895), (225, 584937), (309, 425925), (405, 324965), (515, 255555), (631, 208575), (675, 194979), (927, 141975), (1545, 85185), (1893, 69525), (2025, 64993), (2575, 51111), (2781, 47325), (3155, 41715), (4635, 28395), (5679, 23175), (7725, 17037), (8343, 15775), (9465, 13905)]