71258721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 103925760

約数和(自身を除く): 32667039

約数列:

[1, 3, 19, 47, 57, 67, 141, 201, 397, 893, 1191, 1273, 2679, 3149, 3819, 7543, 9447, 18659, 22629, 26599, 55977, 59831, 79797, 179493, 354521, 505381, 1063563, 1250153, 1516143, 3750459, 23752907, 71258721]

約数ペア:

[(1, 71258721), (3, 23752907), (19, 3750459), (47, 1516143), (57, 1250153), (67, 1063563), (141, 505381), (201, 354521), (397, 179493), (893, 79797), (1191, 59831), (1273, 55977), (2679, 26599), (3149, 22629), (3819, 18659), (7543, 9447)]