7320339

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 12448800

約数和(自身を除く): 5128461

約数列:

[1, 3, 9, 13, 19, 37, 39, 57, 89, 111, 117, 171, 247, 267, 333, 481, 703, 741, 801, 1157, 1443, 1691, 2109, 2223, 3293, 3471, 4329, 5073, 6327, 9139, 9879, 10413, 15219, 21983, 27417, 29637, 42809, 62567, 65949, 82251, 128427, 187701, 197847, 385281, 563103, 813371, 2440113, 7320339]

約数ペア:

[(1, 7320339), (3, 2440113), (9, 813371), (13, 563103), (19, 385281), (37, 197847), (39, 187701), (57, 128427), (89, 82251), (111, 65949), (117, 62567), (171, 42809), (247, 29637), (267, 27417), (333, 21983), (481, 15219), (703, 10413), (741, 9879), (801, 9139), (1157, 6327), (1443, 5073), (1691, 4329), (2109, 3471), (2223, 3293)]