221288685

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{1031}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 364089600

約数和(自身を除く): 142800915

約数列:

[1, 3, 5, 15, 41, 123, 205, 349, 615, 1031, 1047, 1745, 3093, 5155, 5235, 14309, 15465, 42271, 42927, 71545, 126813, 211355, 214635, 359819, 634065, 1079457, 1799095, 5397285, 14752579, 44257737, 73762895, 221288685]

約数ペア:

[(1, 221288685), (3, 73762895), (5, 44257737), (15, 14752579), (41, 5397285), (123, 1799095), (205, 1079457), (349, 634065), (615, 359819), (1031, 214635), (1047, 211355), (1745, 126813), (3093, 71545), (5155, 42927), (5235, 42271), (14309, 15465)]