628117305

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1\times {\mathrm{1061}}^1$

素因数の和:1777

約数の個数: 32

約数和(自身を含む): 1024005888

約数和(自身を除く): 395888583

約数列:

[1, 3, 5, 15, 61, 183, 305, 647, 915, 1061, 1941, 3183, 3235, 5305, 9705, 15915, 39467, 64721, 118401, 194163, 197335, 323605, 592005, 686467, 970815, 2059401, 3432335, 10297005, 41874487, 125623461, 209372435, 628117305]

約数ペア:

[(1, 628117305), (3, 209372435), (5, 125623461), (15, 41874487), (61, 10297005), (183, 3432335), (305, 2059401), (647, 970815), (915, 686467), (1061, 592005), (1941, 323605), (3183, 197335), (3235, 194163), (5305, 118401), (9705, 64721), (15915, 39467)]