15511315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 21196800

約数和(自身を除く): 5685485

約数列:

[1, 5, 19, 23, 31, 95, 115, 155, 229, 437, 589, 713, 1145, 2185, 2945, 3565, 4351, 5267, 7099, 13547, 21755, 26335, 35495, 67735, 100073, 134881, 163277, 500365, 674405, 816385, 3102263, 15511315]

約数ペア:

[(1, 15511315), (5, 3102263), (19, 816385), (23, 674405), (31, 500365), (95, 163277), (115, 134881), (155, 100073), (229, 67735), (437, 35495), (589, 26335), (713, 21755), (1145, 13547), (2185, 7099), (2945, 5267), (3565, 4351)]