66978783

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{659}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 101312640

約数和(自身を除く): 34333857

約数列:

[1, 3, 9, 23, 69, 207, 491, 659, 1473, 1977, 4419, 5931, 11293, 15157, 33879, 45471, 101637, 136413, 323569, 970707, 2912121, 7442087, 22326261, 66978783]

約数ペア:

[(1, 66978783), (3, 22326261), (9, 7442087), (23, 2912121), (69, 970707), (207, 323569), (491, 136413), (659, 101637), (1473, 45471), (1977, 33879), (4419, 15157), (5931, 11293)]