77790921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 119575680

約数和(自身を除く): 41784759

約数列:

[1, 3, 13, 19, 39, 57, 61, 183, 247, 741, 793, 1159, 1721, 2379, 3477, 5163, 15067, 22373, 32699, 45201, 67119, 98097, 104981, 314943, 425087, 1275261, 1364753, 1994639, 4094259, 5983917, 25930307, 77790921]

約数ペア:

[(1, 77790921), (3, 25930307), (13, 5983917), (19, 4094259), (39, 1994639), (57, 1364753), (61, 1275261), (183, 425087), (247, 314943), (741, 104981), (793, 98097), (1159, 67119), (1721, 45201), (2379, 32699), (3477, 22373), (5163, 15067)]