311949387

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1349

約数の個数: 40

約数和(自身を含む): 483411456

約数和(自身を除く): 171462069

約数列:

[1, 3, 9, 27, 47, 67, 81, 141, 201, 423, 603, 1223, 1269, 1809, 3149, 3669, 3807, 5427, 9447, 11007, 28341, 33021, 57481, 81941, 85023, 99063, 172443, 245823, 255069, 517329, 737469, 1551987, 2212407, 3851227, 4655961, 6637221, 11553681, 34661043, 103983129, 311949387]

約数ペア:

[(1, 311949387), (3, 103983129), (9, 34661043), (27, 11553681), (47, 6637221), (67, 4655961), (81, 3851227), (141, 2212407), (201, 1551987), (423, 737469), (603, 517329), (1223, 255069), (1269, 245823), (1809, 172443), (3149, 99063), (3669, 85023), (3807, 81941), (5427, 57481), (9447, 33021), (11007, 28341)]