15211015515

素因数分解:

$3^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{76493}}^1$

素因数の和:77001

約数の個数: 40

約数和(自身を含む): 27323044848

約数和(自身を除く): 12112029333

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 491, 1473, 2455, 4419, 7365, 13257, 22095, 39771, 66285, 76493, 198855, 229479, 382465, 688437, 1147395, 2065311, 3442185, 6195933, 10326555, 30979665, 37558063, 112674189, 187790315, 338022567, 563370945, 1014067701, 1690112835, 3042203103, 5070338505, 15211015515]

約数ペア:

[(1, 15211015515), (3, 5070338505), (5, 3042203103), (9, 1690112835), (15, 1014067701), (27, 563370945), (45, 338022567), (81, 187790315), (135, 112674189), (405, 37558063), (491, 30979665), (1473, 10326555), (2455, 6195933), (4419, 3442185), (7365, 2065311), (13257, 1147395), (22095, 688437), (39771, 382465), (66285, 229479), (76493, 198855)]