78272817

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{55631}}^1$

素因数の和:55708

約数の個数: 16

約数和(自身を含む): 121055232

約数和(自身を除く): 42782415

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 55631, 166893, 389417, 1168251, 3727277, 11181831, 26090939, 78272817]

約数ペア:

[(1, 78272817), (3, 26090939), (7, 11181831), (21, 3727277), (67, 1168251), (201, 389417), (469, 166893), (1407, 55631)]