128516247

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 201248000

約数和(自身を除く): 72731753

約数列:

[1, 3, 9, 19, 27, 57, 171, 379, 513, 661, 1137, 1983, 3411, 5949, 7201, 10233, 12559, 17847, 21603, 37677, 64809, 113031, 194427, 250519, 339093, 751557, 2254671, 4759861, 6764013, 14279583, 42838749, 128516247]

約数ペア:

[(1, 128516247), (3, 42838749), (9, 14279583), (19, 6764013), (27, 4759861), (57, 2254671), (171, 751557), (379, 339093), (513, 250519), (661, 194427), (1137, 113031), (1983, 64809), (3411, 37677), (5949, 21603), (7201, 17847), (10233, 12559)]