72903909

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1283}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 110444544

約数和(自身を除く): 37540635

約数列:

[1, 3, 13, 31, 39, 47, 93, 141, 403, 611, 1209, 1283, 1457, 1833, 3849, 4371, 16679, 18941, 39773, 50037, 56823, 60301, 119319, 180903, 517049, 783913, 1551147, 1869331, 2351739, 5607993, 24301303, 72903909]

約数ペア:

[(1, 72903909), (3, 24301303), (13, 5607993), (31, 2351739), (39, 1869331), (47, 1551147), (93, 783913), (141, 517049), (403, 180903), (611, 119319), (1209, 60301), (1283, 56823), (1457, 50037), (1833, 39773), (3849, 18941), (4371, 16679)]