399873885

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{6373}}^1$

素因数の和:6517

約数の個数: 32

約数和(自身を含む): 660856320

約数和(自身を除く): 260982435

約数列:

[1, 3, 5, 15, 47, 89, 141, 235, 267, 445, 705, 1335, 4183, 6373, 12549, 19119, 20915, 31865, 62745, 95595, 299531, 567197, 898593, 1497655, 1701591, 2835985, 4492965, 8507955, 26658259, 79974777, 133291295, 399873885]

約数ペア:

[(1, 399873885), (3, 133291295), (5, 79974777), (15, 26658259), (47, 8507955), (89, 4492965), (141, 2835985), (235, 1701591), (267, 1497655), (445, 898593), (705, 567197), (1335, 299531), (4183, 95595), (6373, 62745), (12549, 31865), (19119, 20915)]