66764805

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 109600128

約数和(自身を除く): 42835323

約数列:

[1, 3, 5, 15, 61, 131, 183, 305, 393, 557, 655, 915, 1671, 1965, 2785, 7991, 8355, 23973, 33977, 39955, 72967, 101931, 119865, 169885, 218901, 364835, 509655, 1094505, 4450987, 13352961, 22254935, 66764805]

約数ペア:

[(1, 66764805), (3, 22254935), (5, 13352961), (15, 4450987), (61, 1094505), (131, 509655), (183, 364835), (305, 218901), (393, 169885), (557, 119865), (655, 101931), (915, 72967), (1671, 39955), (1965, 33977), (2785, 23973), (7991, 8355)]