67409139

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 105799680

約数和(自身を除く): 38390541

約数列:

[1, 3, 7, 21, 47, 141, 163, 329, 419, 489, 987, 1141, 1257, 2933, 3423, 7661, 8799, 19693, 22983, 53627, 59079, 68297, 137851, 160881, 204891, 413553, 478079, 1434237, 3209959, 9629877, 22469713, 67409139]

約数ペア:

[(1, 67409139), (3, 22469713), (7, 9629877), (21, 3209959), (47, 1434237), (141, 478079), (163, 413553), (329, 204891), (419, 160881), (489, 137851), (987, 68297), (1141, 59079), (1257, 53627), (2933, 22983), (3423, 19693), (7661, 8799)]