861621215829

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{919}}^1\times {\mathrm{156967}}^1$

素因数の和:158081

約数の個数: 32

約数和(自身を含む): 1261570652160

約数和(自身を除く): 399949436331

約数列:

[1, 3, 11, 33, 181, 543, 919, 1991, 2757, 5973, 10109, 30327, 156967, 166339, 470901, 499017, 1726637, 1829729, 5179911, 5489187, 28411027, 85233081, 144252673, 312521297, 432758019, 937563891, 1586779403, 4760338209, 26109733813, 78329201439, 287207071943, 861621215829]

約数ペア:

[(1, 861621215829), (3, 287207071943), (11, 78329201439), (33, 26109733813), (181, 4760338209), (543, 1586779403), (919, 937563891), (1991, 432758019), (2757, 312521297), (5973, 144252673), (10109, 85233081), (30327, 28411027), (156967, 5489187), (166339, 5179911), (470901, 1829729), (499017, 1726637)]