678343299

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 973057536

約数和(自身を除く): 294714237

約数列:

[1, 3, 17, 51, 107, 197, 321, 591, 631, 1819, 1893, 3349, 5457, 10047, 10727, 21079, 32181, 63237, 67517, 124307, 202551, 358343, 372921, 1075029, 1147789, 2113219, 3443367, 6339657, 13300849, 39902547, 226114433, 678343299]

約数ペア:

[(1, 678343299), (3, 226114433), (17, 39902547), (51, 13300849), (107, 6339657), (197, 3443367), (321, 2113219), (591, 1147789), (631, 1075029), (1819, 372921), (1893, 358343), (3349, 202551), (5457, 124307), (10047, 67517), (10727, 63237), (21079, 32181)]