223840659

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 348834816

約数和(自身を除く): 124994157

約数列:

[1, 3, 7, 21, 61, 183, 197, 427, 591, 887, 1281, 1379, 2661, 4137, 6209, 12017, 18627, 36051, 54107, 84119, 162321, 174739, 252357, 378749, 524217, 1136247, 1223173, 3669519, 10659079, 31977237, 74613553, 223840659]

約数ペア:

[(1, 223840659), (3, 74613553), (7, 31977237), (21, 10659079), (61, 3669519), (183, 1223173), (197, 1136247), (427, 524217), (591, 378749), (887, 252357), (1281, 174739), (1379, 162321), (2661, 84119), (4137, 54107), (6209, 36051), (12017, 18627)]