28523187

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 52116480

約数和(自身を除く): 23593293

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 79, 99, 231, 237, 521, 553, 693, 711, 869, 1563, 1659, 2607, 3647, 4689, 4977, 5731, 6083, 7821, 10941, 17193, 18249, 32823, 40117, 41159, 51579, 54747, 120351, 123477, 288113, 361053, 370431, 452749, 864339, 1358247, 2593017, 3169243, 4074741, 9507729, 28523187]

約数ペア:

[(1, 28523187), (3, 9507729), (7, 4074741), (9, 3169243), (11, 2593017), (21, 1358247), (33, 864339), (63, 452749), (77, 370431), (79, 361053), (99, 288113), (231, 123477), (237, 120351), (521, 54747), (553, 51579), (693, 41159), (711, 40117), (869, 32823), (1563, 18249), (1659, 17193), (2607, 10941), (3647, 7821), (4689, 6083), (4977, 5731)]