1311473955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{859}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 2417356800

約数和(自身を除く): 1105882845

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 487, 627, 859, 1045, 1461, 2435, 2577, 3135, 4295, 5357, 7305, 9253, 9449, 12885, 16071, 16321, 26785, 27759, 28347, 46265, 47245, 48963, 80355, 81605, 101783, 138795, 141735, 179531, 244815, 305349, 418333, 508915, 538593, 897655, 1254999, 1526745, 2091665, 2692965, 4601663, 6274995, 7948327, 13804989, 23008315, 23844981, 39741635, 69024945, 87431597, 119224905, 262294791, 437157985, 1311473955]

約数ペア:

[(1, 1311473955), (3, 437157985), (5, 262294791), (11, 119224905), (15, 87431597), (19, 69024945), (33, 39741635), (55, 23844981), (57, 23008315), (95, 13804989), (165, 7948327), (209, 6274995), (285, 4601663), (487, 2692965), (627, 2091665), (859, 1526745), (1045, 1254999), (1461, 897655), (2435, 538593), (2577, 508915), (3135, 418333), (4295, 305349), (5357, 244815), (7305, 179531), (9253, 141735), (9449, 138795), (12885, 101783), (16071, 81605), (16321, 80355), (26785, 48963), (27759, 47245), (28347, 46265)]