71231247

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5867}}^1$

素因数の和:5963

約数の個数: 24

約数和(自身を含む): 109848960

約数和(自身を除く): 38617713

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 5867, 12141, 17601, 52803, 111473, 334419, 416557, 1003257, 1249671, 3749013, 7914583, 23743749, 71231247]

約数ペア:

[(1, 71231247), (3, 23743749), (9, 7914583), (19, 3749013), (57, 1249671), (71, 1003257), (171, 416557), (213, 334419), (639, 111473), (1349, 52803), (4047, 17601), (5867, 12141)]