31030209

素因数分解:

$3^4\times 7^1\times {\mathrm{54727}}^1$

素因数の和:54746

約数の個数: 20

約数和(自身を含む): 52976704

約数和(自身を除く): 21946495

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 54727, 164181, 383089, 492543, 1149267, 1477629, 3447801, 4432887, 10343403, 31030209]

約数ペア:

[(1, 31030209), (3, 10343403), (7, 4432887), (9, 3447801), (21, 1477629), (27, 1149267), (63, 492543), (81, 383089), (189, 164181), (567, 54727)]