127972495

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1493}}^1$

素因数の和:1615

約数の個数: 32

約数和(自身を含む): 183582720

約数和(自身を除く): 55610225

約数列:

[1, 5, 7, 31, 35, 79, 155, 217, 395, 553, 1085, 1493, 2449, 2765, 7465, 10451, 12245, 17143, 46283, 52255, 85715, 117947, 231415, 323981, 589735, 825629, 1619905, 3656357, 4128145, 18281785, 25594499, 127972495]

約数ペア:

[(1, 127972495), (5, 25594499), (7, 18281785), (31, 4128145), (35, 3656357), (79, 1619905), (155, 825629), (217, 589735), (395, 323981), (553, 231415), (1085, 117947), (1493, 85715), (2449, 52255), (2765, 46283), (7465, 17143), (10451, 12245)]