7425621

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 12729600

約数和(自身を除く): 5303979

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 389, 707, 909, 1167, 2121, 2723, 2727, 3501, 6363, 8169, 10503, 19089, 24507, 39289, 73521, 117867, 275023, 353601, 825069, 1060803, 2475207, 7425621]

約数ペア:

[(1, 7425621), (3, 2475207), (7, 1060803), (9, 825069), (21, 353601), (27, 275023), (63, 117867), (101, 73521), (189, 39289), (303, 24507), (389, 19089), (707, 10503), (909, 8169), (1167, 6363), (2121, 3501), (2723, 2727)]