1879983

素因数分解:

$3^3\times 7^4\times {\mathrm{29}}^1$

素因数の和:66

約数の個数: 40

約数和(自身を含む): 3361200

約数和(自身を除く): 1481217

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, 21609, 29841, 38367, 64827, 69629, 89523, 208887, 268569, 626661, 1879983]

約数ペア:

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