13159881

素因数分解:

$3^3\times 7^5\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 48

約数和(自身を含む): 23529600

約数和(自身を除く): 10369719

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 343, 441, 609, 783, 1029, 1323, 1421, 1827, 2401, 3087, 4263, 5481, 7203, 9261, 9947, 12789, 16807, 21609, 29841, 38367, 50421, 64827, 69629, 89523, 151263, 208887, 268569, 453789, 487403, 626661, 1462209, 1879983, 4386627, 13159881]

約数ペア:

[(1, 13159881), (3, 4386627), (7, 1879983), (9, 1462209), (21, 626661), (27, 487403), (29, 453789), (49, 268569), (63, 208887), (87, 151263), (147, 89523), (189, 69629), (203, 64827), (261, 50421), (343, 38367), (441, 29841), (609, 21609), (783, 16807), (1029, 12789), (1323, 9947), (1421, 9261), (1827, 7203), (2401, 5481), (3087, 4263)]