71435427

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 112189440

約数和(自身を除く): 40754013

約数列:

[1, 3, 7, 21, 43, 129, 239, 301, 331, 717, 903, 993, 1673, 2317, 5019, 6951, 10277, 14233, 30831, 42699, 71939, 79109, 99631, 215817, 237327, 298893, 553763, 1661289, 3401687, 10205061, 23811809, 71435427]

約数ペア:

[(1, 71435427), (3, 23811809), (7, 10205061), (21, 3401687), (43, 1661289), (129, 553763), (239, 298893), (301, 237327), (331, 215817), (717, 99631), (903, 79109), (993, 71939), (1673, 42699), (2317, 30831), (5019, 14233), (6951, 10277)]