38879955

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 70177536

約数和(自身を除く): 31297581

約数列:

[1, 3, 5, 9, 15, 43, 45, 71, 129, 213, 215, 283, 355, 387, 639, 645, 849, 1065, 1415, 1935, 2547, 3053, 3195, 4245, 9159, 12169, 12735, 15265, 20093, 27477, 36507, 45795, 60279, 60845, 100465, 109521, 137385, 180837, 182535, 301395, 547605, 863999, 904185, 2591997, 4319995, 7775991, 12959985, 38879955]

約数ペア:

[(1, 38879955), (3, 12959985), (5, 7775991), (9, 4319995), (15, 2591997), (43, 904185), (45, 863999), (71, 547605), (129, 301395), (213, 182535), (215, 180837), (283, 137385), (355, 109521), (387, 100465), (639, 60845), (645, 60279), (849, 45795), (1065, 36507), (1415, 27477), (1935, 20093), (2547, 15265), (3053, 12735), (3195, 12169), (4245, 9159)]