142227981

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3533}}^1$

素因数の和:3623

約数の個数: 40

約数和(自身を含む): 246305664

約数和(自身を除く): 104077683

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 567, 639, 1491, 1917, 3533, 4473, 5751, 10599, 13419, 24731, 31797, 40257, 74193, 95391, 222579, 250843, 286173, 667737, 752529, 1755901, 2003211, 2257587, 5267703, 6772761, 15803109, 20318283, 47409327, 142227981]

約数ペア:

[(1, 142227981), (3, 47409327), (7, 20318283), (9, 15803109), (21, 6772761), (27, 5267703), (63, 2257587), (71, 2003211), (81, 1755901), (189, 752529), (213, 667737), (497, 286173), (567, 250843), (639, 222579), (1491, 95391), (1917, 74193), (3533, 40257), (4473, 31797), (5751, 24731), (10599, 13419)]