350649

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:68

約数の個数: 28

約数和(自身を含む): 581476

約数和(自身を除く): 230827

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 243, 333, 351, 481, 729, 999, 1053, 1443, 2997, 3159, 4329, 8991, 9477, 12987, 26973, 38961, 116883, 350649]

約数ペア:

[(1, 350649), (3, 116883), (9, 38961), (13, 26973), (27, 12987), (37, 9477), (39, 8991), (81, 4329), (111, 3159), (117, 2997), (243, 1443), (333, 1053), (351, 999), (481, 729)]