78766317

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2797}}^1$

素因数の和:2962

約数の個数: 32

約数和(自身を含む): 134304000

約数和(自身を除く): 55537683

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 1043, 1341, 2797, 3129, 4023, 8391, 9387, 19579, 25173, 28161, 58737, 75519, 176211, 416753, 528633, 1250259, 2917271, 3750777, 8751813, 11252331, 26255439, 78766317]

約数ペア:

[(1, 78766317), (3, 26255439), (7, 11252331), (9, 8751813), (21, 3750777), (27, 2917271), (63, 1250259), (149, 528633), (189, 416753), (447, 176211), (1043, 75519), (1341, 58737), (2797, 28161), (3129, 25173), (4023, 19579), (8391, 9387)]