189439557

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 275358720

約数和(自身を除く): 85919163

約数列:

[1, 3, 19, 41, 57, 103, 123, 309, 779, 787, 1957, 2337, 2361, 4223, 5871, 12669, 14953, 32267, 44859, 80237, 81061, 96801, 240711, 243183, 613073, 1540159, 1839219, 3323501, 4620477, 9970503, 63146519, 189439557]

約数ペア:

[(1, 189439557), (3, 63146519), (19, 9970503), (41, 4620477), (57, 3323501), (103, 1839219), (123, 1540159), (309, 613073), (779, 243183), (787, 240711), (1957, 96801), (2337, 81061), (2361, 80237), (4223, 44859), (5871, 32267), (12669, 14953)]