1985025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 3968000

約数和(自身を除く): 1982975

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 199, 285, 399, 475, 525, 597, 665, 995, 1393, 1425, 1995, 2985, 3325, 3781, 4179, 4975, 6965, 9975, 11343, 14925, 18905, 20895, 26467, 34825, 56715, 79401, 94525, 104475, 132335, 283575, 397005, 661675, 1985025]

約数ペア:

[(1, 1985025), (3, 661675), (5, 397005), (7, 283575), (15, 132335), (19, 104475), (21, 94525), (25, 79401), (35, 56715), (57, 34825), (75, 26467), (95, 20895), (105, 18905), (133, 14925), (175, 11343), (199, 9975), (285, 6965), (399, 4975), (475, 4179), (525, 3781), (597, 3325), (665, 2985), (995, 1995), (1393, 1425)]