1664487

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 2965248

約数和(自身を除く): 1300761

約数列:

[1, 3, 9, 11, 17, 23, 33, 43, 51, 69, 99, 129, 153, 187, 207, 253, 387, 391, 473, 561, 731, 759, 989, 1173, 1419, 1683, 2193, 2277, 2967, 3519, 4257, 4301, 6579, 8041, 8901, 10879, 12903, 16813, 24123, 32637, 38709, 50439, 72369, 97911, 151317, 184943, 554829, 1664487]

約数ペア:

[(1, 1664487), (3, 554829), (9, 184943), (11, 151317), (17, 97911), (23, 72369), (33, 50439), (43, 38709), (51, 32637), (69, 24123), (99, 16813), (129, 12903), (153, 10879), (187, 8901), (207, 8041), (253, 6579), (387, 4301), (391, 4257), (473, 3519), (561, 2967), (731, 2277), (759, 2193), (989, 1683), (1173, 1419)]