15581961

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 23474880

約数和(自身を除く): 7892919

約数列:

[1, 3, 9, 29, 87, 227, 261, 263, 681, 789, 2043, 2367, 6583, 7627, 19749, 22881, 59247, 59701, 68643, 179103, 537309, 1731329, 5193987, 15581961]

約数ペア:

[(1, 15581961), (3, 5193987), (9, 1731329), (29, 537309), (87, 179103), (227, 68643), (261, 59701), (263, 59247), (681, 22881), (789, 19749), (2043, 7627), (2367, 6583)]