331878963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{991}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 494190592

約数和(自身を除く): 162311629

約数列:

[1, 3, 13, 31, 39, 93, 277, 403, 831, 991, 1209, 2973, 3601, 8587, 10803, 12883, 25761, 30721, 38649, 92163, 111631, 274507, 334893, 399373, 823521, 1198119, 3568591, 8509717, 10705773, 25529151, 110626321, 331878963]

約数ペア:

[(1, 331878963), (3, 110626321), (13, 25529151), (31, 10705773), (39, 8509717), (93, 3568591), (277, 1198119), (403, 823521), (831, 399373), (991, 334893), (1209, 274507), (2973, 111631), (3601, 92163), (8587, 38649), (10803, 30721), (12883, 25761)]