12173805

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{5521}}^1$

素因数の和:5546

約数の個数: 36

約数和(自身を含む): 24550812

約数和(自身を除く): 12377007

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 5521, 16563, 27605, 38647, 49689, 82815, 115941, 193235, 248445, 270529, 347823, 579705, 811587, 1352645, 1739115, 2434761, 4057935, 12173805]

約数ペア:

[(1, 12173805), (3, 4057935), (5, 2434761), (7, 1739115), (9, 1352645), (15, 811587), (21, 579705), (35, 347823), (45, 270529), (49, 248445), (63, 193235), (105, 115941), (147, 82815), (245, 49689), (315, 38647), (441, 27605), (735, 16563), (2205, 5521)]