71042979

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 113643520

約数和(自身を除く): 42600541

約数列:

[1, 3, 7, 21, 31, 61, 93, 183, 217, 427, 651, 1281, 1789, 1891, 5367, 5673, 12523, 13237, 37569, 39711, 55459, 109129, 166377, 327387, 388213, 763903, 1164639, 2291709, 3382999, 10148997, 23680993, 71042979]

約数ペア:

[(1, 71042979), (3, 23680993), (7, 10148997), (21, 3382999), (31, 2291709), (61, 1164639), (93, 763903), (183, 388213), (217, 327387), (427, 166377), (651, 109129), (1281, 55459), (1789, 39711), (1891, 37569), (5367, 13237), (5673, 12523)]