77972517

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2531}}^1$

素因数の和:2710

約数の個数: 32

約数和(自身を含む): 132879360

約数和(自身を除く): 54906843

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 1141, 1467, 2531, 3423, 4401, 7593, 10269, 17717, 22779, 30807, 53151, 68337, 159453, 412553, 478359, 1237659, 2887871, 3712977, 8663613, 11138931, 25990839, 77972517]

約数ペア:

[(1, 77972517), (3, 25990839), (7, 11138931), (9, 8663613), (21, 3712977), (27, 2887871), (63, 1237659), (163, 478359), (189, 412553), (489, 159453), (1141, 68337), (1467, 53151), (2531, 30807), (3423, 22779), (4401, 17717), (7593, 10269)]