7172955

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 13068000

約数和(自身を除く): 5895045

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 199, 267, 405, 445, 597, 801, 995, 1335, 1791, 2403, 2985, 4005, 5373, 7209, 8955, 12015, 16119, 17711, 26865, 36045, 53133, 80595, 88555, 159399, 265665, 478197, 796995, 1434591, 2390985, 7172955]

約数ペア:

[(1, 7172955), (3, 2390985), (5, 1434591), (9, 796995), (15, 478197), (27, 265665), (45, 159399), (81, 88555), (89, 80595), (135, 53133), (199, 36045), (267, 26865), (405, 17711), (445, 16119), (597, 12015), (801, 8955), (995, 7209), (1335, 5373), (1791, 4005), (2403, 2985)]