66851967

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3449}}^1$

素因数の和:3543

約数の個数: 32

約数和(自身を含む): 111283200

約数和(自身を除く): 44431233

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 3449, 6461, 10347, 19383, 24143, 44837, 72429, 134511, 244879, 313859, 734637, 941577, 1714153, 3183427, 5142459, 9550281, 22283989, 66851967]

約数ペア:

[(1, 66851967), (3, 22283989), (7, 9550281), (13, 5142459), (21, 3183427), (39, 1714153), (71, 941577), (91, 734637), (213, 313859), (273, 244879), (497, 134511), (923, 72429), (1491, 44837), (2769, 24143), (3449, 19383), (6461, 10347)]