1387911

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 2280960

約数和(自身を除く): 893049

約数列:

[1, 3, 7, 21, 29, 43, 53, 87, 129, 159, 203, 301, 371, 609, 903, 1113, 1247, 1537, 2279, 3741, 4611, 6837, 8729, 10759, 15953, 26187, 32277, 47859, 66091, 198273, 462637, 1387911]

約数ペア:

[(1, 1387911), (3, 462637), (7, 198273), (21, 66091), (29, 47859), (43, 32277), (53, 26187), (87, 15953), (129, 10759), (159, 8729), (203, 6837), (301, 4611), (371, 3741), (609, 2279), (903, 1537), (1113, 1247)]