198293823

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12743}}^1$

素因数の和:12788

約数の個数: 48

約数和(自身を含む): 371105280

約数和(自身を除く): 172811457

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2223, 5187, 12743, 15561, 38229, 89201, 114687, 165659, 242117, 267603, 496977, 726351, 802809, 1159613, 1490931, 1694819, 2179053, 3147521, 3478839, 5084457, 9442563, 10436517, 15253371, 22032647, 28327689, 66097941, 198293823]

約数ペア:

[(1, 198293823), (3, 66097941), (7, 28327689), (9, 22032647), (13, 15253371), (19, 10436517), (21, 9442563), (39, 5084457), (57, 3478839), (63, 3147521), (91, 2179053), (117, 1694819), (133, 1490931), (171, 1159613), (247, 802809), (273, 726351), (399, 496977), (741, 267603), (819, 242117), (1197, 165659), (1729, 114687), (2223, 89201), (5187, 38229), (12743, 15561)]