9998205

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 18998784

約数和(自身を除く): 9000579

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 223, 245, 305, 427, 669, 735, 915, 1115, 1281, 1561, 2135, 2989, 3345, 4683, 6405, 7805, 8967, 10927, 13603, 14945, 23415, 32781, 40809, 44835, 54635, 68015, 95221, 163905, 204045, 285663, 476105, 666547, 1428315, 1999641, 3332735, 9998205]

約数ペア:

[(1, 9998205), (3, 3332735), (5, 1999641), (7, 1428315), (15, 666547), (21, 476105), (35, 285663), (49, 204045), (61, 163905), (105, 95221), (147, 68015), (183, 54635), (223, 44835), (245, 40809), (305, 32781), (427, 23415), (669, 14945), (735, 13603), (915, 10927), (1115, 8967), (1281, 7805), (1561, 6405), (2135, 4683), (2989, 3345)]