155709729

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{28409}}^1$

素因数の和:28454

約数の個数: 32

約数和(自身を含む): 272736000

約数和(自身を除く): 117026271

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 28409, 85227, 198863, 255681, 596589, 767043, 823861, 1789767, 2471583, 5369301, 5767027, 7414749, 17301081, 22244247, 51903243, 155709729]

約数ペア:

[(1, 155709729), (3, 51903243), (7, 22244247), (9, 17301081), (21, 7414749), (27, 5767027), (29, 5369301), (63, 2471583), (87, 1789767), (189, 823861), (203, 767043), (261, 596589), (609, 255681), (783, 198863), (1827, 85227), (5481, 28409)]