66380385

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 108663552

約数和(自身を除く): 42283167

約数列:

[1, 3, 5, 15, 71, 157, 213, 355, 397, 471, 785, 1065, 1191, 1985, 2355, 5955, 11147, 28187, 33441, 55735, 62329, 84561, 140935, 167205, 186987, 311645, 422805, 934935, 4425359, 13276077, 22126795, 66380385]

約数ペア:

[(1, 66380385), (3, 22126795), (5, 13276077), (15, 4425359), (71, 934935), (157, 422805), (213, 311645), (355, 186987), (397, 167205), (471, 140935), (785, 84561), (1065, 62329), (1191, 55735), (1985, 33441), (2355, 28187), (5955, 11147)]