13920225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 25712640

約数和(自身を除く): 11792415

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 141, 165, 235, 275, 359, 517, 705, 825, 1077, 1175, 1551, 1795, 2585, 3525, 3949, 5385, 7755, 8975, 11847, 12925, 16873, 19745, 26925, 38775, 50619, 59235, 84365, 98725, 185603, 253095, 296175, 421825, 556809, 928015, 1265475, 2784045, 4640075, 13920225]

約数ペア:

[(1, 13920225), (3, 4640075), (5, 2784045), (11, 1265475), (15, 928015), (25, 556809), (33, 421825), (47, 296175), (55, 253095), (75, 185603), (141, 98725), (165, 84365), (235, 59235), (275, 50619), (359, 38775), (517, 26925), (705, 19745), (825, 16873), (1077, 12925), (1175, 11847), (1551, 8975), (1795, 7755), (2585, 5385), (3525, 3949)]