71923215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{52691}}^1$

素因数の和:52719

約数の個数: 32

約数和(自身を含む): 141636096

約数和(自身を除く): 69712881

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 52691, 158073, 263455, 368837, 684983, 790365, 1106511, 1844185, 2054949, 3424915, 4794881, 5532555, 10274745, 14384643, 23974405, 71923215]

約数ペア:

[(1, 71923215), (3, 23974405), (5, 14384643), (7, 10274745), (13, 5532555), (15, 4794881), (21, 3424915), (35, 2054949), (39, 1844185), (65, 1106511), (91, 790365), (105, 684983), (195, 368837), (273, 263455), (455, 158073), (1365, 52691)]