238468563

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2687}}^1$

素因数の和:2888

約数の個数: 32

約数和(自身を含む): 374169600

約数和(自身を除く): 135701037

約数列:

[1, 3, 9, 19, 27, 57, 171, 173, 513, 519, 1557, 2687, 3287, 4671, 8061, 9861, 24183, 29583, 51053, 72549, 88749, 153159, 459477, 464851, 1378431, 1394553, 4183659, 8832169, 12550977, 26496507, 79489521, 238468563]

約数ペア:

[(1, 238468563), (3, 79489521), (9, 26496507), (19, 12550977), (27, 8832169), (57, 4183659), (171, 1394553), (173, 1378431), (513, 464851), (519, 459477), (1557, 153159), (2687, 88749), (3287, 72549), (4671, 51053), (8061, 29583), (9861, 24183)]