8143737

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 13074432

約数和(自身を除く): 4930695

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 223, 259, 329, 669, 777, 987, 1561, 1739, 4683, 5217, 8251, 10481, 12173, 24753, 31443, 36519, 57757, 73367, 173271, 220101, 387797, 1163391, 2714579, 8143737]

約数ペア:

[(1, 8143737), (3, 2714579), (7, 1163391), (21, 387797), (37, 220101), (47, 173271), (111, 73367), (141, 57757), (223, 36519), (259, 31443), (329, 24753), (669, 12173), (777, 10481), (987, 8251), (1561, 5217), (1739, 4683)]