1289715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 2405376

約数和(自身を除く): 1115661

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 173, 213, 355, 497, 519, 865, 1065, 1211, 1491, 2485, 2595, 3633, 6055, 7455, 12283, 18165, 36849, 61415, 85981, 184245, 257943, 429905, 1289715]

約数ペア:

[(1, 1289715), (3, 429905), (5, 257943), (7, 184245), (15, 85981), (21, 61415), (35, 36849), (71, 18165), (105, 12283), (173, 7455), (213, 6055), (355, 3633), (497, 2595), (519, 2485), (865, 1491), (1065, 1211)]