68778879

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{919}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 105100800

約数和(自身を除く): 36321921

約数列:

[1, 3, 13, 19, 39, 57, 101, 247, 303, 741, 919, 1313, 1919, 2757, 3939, 5757, 11947, 17461, 24947, 35841, 52383, 74841, 92819, 226993, 278457, 680979, 1206647, 1763561, 3619941, 5290683, 22926293, 68778879]

約数ペア:

[(1, 68778879), (3, 22926293), (13, 5290683), (19, 3619941), (39, 1763561), (57, 1206647), (101, 680979), (247, 278457), (303, 226993), (741, 92819), (919, 74841), (1313, 52383), (1919, 35841), (2757, 24947), (3939, 17461), (5757, 11947)]