55219227

素因数分解:

$3^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 86860800

約数和(自身を除く): 31641573

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 343, 521, 721, 1029, 1563, 2163, 3647, 5047, 10941, 15141, 25529, 35329, 53663, 76587, 105987, 160989, 178703, 375641, 536109, 1126923, 2629487, 7888461, 18406409, 55219227]

約数ペア:

[(1, 55219227), (3, 18406409), (7, 7888461), (21, 2629487), (49, 1126923), (103, 536109), (147, 375641), (309, 178703), (343, 160989), (521, 105987), (721, 76587), (1029, 53663), (1563, 35329), (2163, 25529), (3647, 15141), (5047, 10941)]