6638985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 12190464

約数和(自身を除く): 5551479

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 73, 129, 141, 215, 219, 235, 365, 387, 423, 645, 657, 705, 1095, 1935, 2021, 2115, 3139, 3285, 3431, 6063, 9417, 10105, 10293, 15695, 17155, 18189, 28251, 30315, 30879, 47085, 51465, 90945, 141255, 147533, 154395, 442599, 737665, 1327797, 2212995, 6638985]

約数ペア:

[(1, 6638985), (3, 2212995), (5, 1327797), (9, 737665), (15, 442599), (43, 154395), (45, 147533), (47, 141255), (73, 90945), (129, 51465), (141, 47085), (215, 30879), (219, 30315), (235, 28251), (365, 18189), (387, 17155), (423, 15695), (645, 10293), (657, 10105), (705, 9417), (1095, 6063), (1935, 3431), (2021, 3285), (2115, 3139)]