7978689

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 12646400

約数和(自身を除く): 4667711

約数列:

[1, 3, 9, 19, 27, 57, 103, 151, 171, 309, 453, 513, 927, 1359, 1957, 2781, 2869, 4077, 5871, 8607, 15553, 17613, 25821, 46659, 52839, 77463, 139977, 295507, 419931, 886521, 2659563, 7978689]

約数ペア:

[(1, 7978689), (3, 2659563), (9, 886521), (19, 419931), (27, 295507), (57, 139977), (103, 77463), (151, 52839), (171, 46659), (309, 25821), (453, 17613), (513, 15553), (927, 8607), (1359, 5871), (1957, 4077), (2781, 2869)]