131557713

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 217503360

約数和(自身を除く): 85945647

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 289, 357, 371, 409, 867, 901, 1113, 1227, 2023, 2703, 2863, 6069, 6307, 6953, 8589, 15317, 18921, 20859, 21677, 45951, 48671, 65031, 107219, 118201, 146013, 151739, 321657, 354603, 368509, 455217, 827407, 1105527, 2482221, 2579563, 6264653, 7738689, 18793959, 43852571, 131557713]

約数ペア:

[(1, 131557713), (3, 43852571), (7, 18793959), (17, 7738689), (21, 6264653), (51, 2579563), (53, 2482221), (119, 1105527), (159, 827407), (289, 455217), (357, 368509), (371, 354603), (409, 321657), (867, 151739), (901, 146013), (1113, 118201), (1227, 107219), (2023, 65031), (2703, 48671), (2863, 45951), (6069, 21677), (6307, 20859), (6953, 18921), (8589, 15317)]