78488919

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 122316480

約数和(自身を除く): 43827561

約数列:

[1, 3, 9, 27, 47, 53, 81, 141, 159, 389, 423, 477, 1167, 1269, 1431, 2491, 3501, 3807, 4293, 7473, 10503, 18283, 20617, 22419, 31509, 54849, 61851, 67257, 164547, 185553, 201771, 493641, 556659, 968999, 1480923, 1669977, 2906997, 8720991, 26162973, 78488919]

約数ペア:

[(1, 78488919), (3, 26162973), (9, 8720991), (27, 2906997), (47, 1669977), (53, 1480923), (81, 968999), (141, 556659), (159, 493641), (389, 201771), (423, 185553), (477, 164547), (1167, 67257), (1269, 61851), (1431, 54849), (2491, 31509), (3501, 22419), (3807, 20617), (4293, 18283), (7473, 10503)]