620817915

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{2687}}^1$

素因数の和:2979

約数の個数: 32

約数和(自身を含む): 1012064256

約数和(自身を除く): 391246341

約数列:

[1, 3, 5, 15, 73, 211, 219, 365, 633, 1055, 1095, 2687, 3165, 8061, 13435, 15403, 40305, 46209, 77015, 196151, 231045, 566957, 588453, 980755, 1700871, 2834785, 2942265, 8504355, 41387861, 124163583, 206939305, 620817915]

約数ペア:

[(1, 620817915), (3, 206939305), (5, 124163583), (15, 41387861), (73, 8504355), (211, 2942265), (219, 2834785), (365, 1700871), (633, 980755), (1055, 588453), (1095, 566957), (2687, 231045), (3165, 196151), (8061, 77015), (13435, 46209), (15403, 40305)]