381969987

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{2237}}^1$

素因数の和:2467

約数の個数: 32

約数和(自身を含む): 598136832

約数和(自身を除く): 216166845

約数列:

[1, 3, 7, 21, 47, 141, 173, 329, 519, 987, 1211, 2237, 3633, 6711, 8131, 15659, 24393, 46977, 56917, 105139, 170751, 315417, 387001, 735973, 1161003, 2207919, 2709007, 8127021, 18189047, 54567141, 127323329, 381969987]

約数ペア:

[(1, 381969987), (3, 127323329), (7, 54567141), (21, 18189047), (47, 8127021), (141, 2709007), (173, 2207919), (329, 1161003), (519, 735973), (987, 387001), (1211, 315417), (2237, 170751), (3633, 105139), (6711, 56917), (8131, 46977), (15659, 24393)]