12939993

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 21805056

約数和(自身を除く): 8865063

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 103, 141, 243, 297, 309, 423, 517, 891, 927, 1133, 1269, 1551, 2673, 2781, 3399, 3807, 4653, 4841, 8343, 10197, 11421, 13959, 14523, 25029, 30591, 41877, 43569, 53251, 91773, 125631, 130707, 159753, 275319, 392121, 479259, 1176363, 1437777, 4313331, 12939993]

約数ペア:

[(1, 12939993), (3, 4313331), (9, 1437777), (11, 1176363), (27, 479259), (33, 392121), (47, 275319), (81, 159753), (99, 130707), (103, 125631), (141, 91773), (243, 53251), (297, 43569), (309, 41877), (423, 30591), (517, 25029), (891, 14523), (927, 13959), (1133, 11421), (1269, 10197), (1551, 8343), (2673, 4841), (2781, 4653), (3399, 3807)]