66980439

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 105531360

約数和(自身を除く): 38550921

約数列:

[1, 3, 9, 23, 27, 69, 81, 157, 207, 229, 471, 621, 687, 1413, 1863, 2061, 3611, 4239, 5267, 6183, 10833, 12717, 15801, 18549, 32499, 35953, 47403, 97497, 107859, 142209, 292491, 323577, 426627, 826919, 970731, 2480757, 2912193, 7442271, 22326813, 66980439]

約数ペア:

[(1, 66980439), (3, 22326813), (9, 7442271), (23, 2912193), (27, 2480757), (69, 970731), (81, 826919), (157, 426627), (207, 323577), (229, 292491), (471, 142209), (621, 107859), (687, 97497), (1413, 47403), (1863, 35953), (2061, 32499), (3611, 18549), (4239, 15801), (5267, 12717), (6183, 10833)]