81798318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4357}}^1$

素因数の和:4521

約数の個数: 48

約数和(自身を含む): 203954400

約数和(自身を除く): 122156082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 149, 298, 447, 894, 1043, 1341, 2086, 2682, 3129, 4357, 6258, 8714, 9387, 13071, 18774, 26142, 30499, 39213, 60998, 78426, 91497, 182994, 274491, 548982, 649193, 1298386, 1947579, 3895158, 4544351, 5842737, 9088702, 11685474, 13633053, 27266106, 40899159, 81798318]

約数ペア:

[(1, 81798318), (2, 40899159), (3, 27266106), (6, 13633053), (7, 11685474), (9, 9088702), (14, 5842737), (18, 4544351), (21, 3895158), (42, 1947579), (63, 1298386), (126, 649193), (149, 548982), (298, 274491), (447, 182994), (894, 91497), (1043, 78426), (1341, 60998), (2086, 39213), (2682, 30499), (3129, 26142), (4357, 18774), (6258, 13071), (8714, 9387)]