218102691

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{7793}}^1$

素因数の和:8306

約数の個数: 16

約数和(自身を含む): 306771840

約数和(自身を除く): 88669149

約数列:

[1, 3, 19, 57, 491, 1473, 7793, 9329, 23379, 27987, 148067, 444201, 3826363, 11479089, 72700897, 218102691]

約数ペア:

[(1, 218102691), (3, 72700897), (19, 11479089), (57, 3826363), (491, 444201), (1473, 148067), (7793, 27987), (9329, 23379)]