131871330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^2$

素因数の和:448

約数の個数: 72

約数和(自身を含む): 353910492

約数和(自身を除く): 222039162

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 199, 222, 333, 370, 398, 555, 597, 666, 995, 1110, 1194, 1665, 1791, 1990, 2985, 3330, 3582, 5970, 7363, 8955, 14726, 17910, 22089, 36815, 39601, 44178, 66267, 73630, 79202, 110445, 118803, 132534, 198005, 220890, 237606, 331335, 356409, 396010, 594015, 662670, 712818, 1188030, 1465237, 1782045, 2930474, 3564090, 4395711, 7326185, 8791422, 13187133, 14652370, 21978555, 26374266, 43957110, 65935665, 131871330]

約数ペア:

[(1, 131871330), (2, 65935665), (3, 43957110), (5, 26374266), (6, 21978555), (9, 14652370), (10, 13187133), (15, 8791422), (18, 7326185), (30, 4395711), (37, 3564090), (45, 2930474), (74, 1782045), (90, 1465237), (111, 1188030), (185, 712818), (199, 662670), (222, 594015), (333, 396010), (370, 356409), (398, 331335), (555, 237606), (597, 220890), (666, 198005), (995, 132534), (1110, 118803), (1194, 110445), (1665, 79202), (1791, 73630), (1990, 66267), (2985, 44178), (3330, 39601), (3582, 36815), (5970, 22089), (7363, 17910), (8955, 14726)]