1315209

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 2134080

約数和(自身を除く): 818871

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 389, 483, 1127, 1167, 2723, 3381, 8169, 8947, 19061, 26841, 57183, 62629, 187887, 438403, 1315209]

約数ペア:

[(1, 1315209), (3, 438403), (7, 187887), (21, 62629), (23, 57183), (49, 26841), (69, 19061), (147, 8947), (161, 8169), (389, 3381), (483, 2723), (1127, 1167)]