1980996843

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{40961}}^1$

素因数の和:41032

約数の個数: 32

約数和(自身を含む): 3145881600

約数和(自身を除く): 1164884757

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 2303, 6909, 16121, 40961, 48363, 122883, 286727, 860181, 1925167, 2007089, 5775501, 6021267, 13476169, 14049623, 40428507, 42148869, 94333183, 282999549, 660332281, 1980996843]

約数ペア:

[(1, 1980996843), (3, 660332281), (7, 282999549), (21, 94333183), (47, 42148869), (49, 40428507), (141, 14049623), (147, 13476169), (329, 6021267), (343, 5775501), (987, 2007089), (1029, 1925167), (2303, 860181), (6909, 286727), (16121, 122883), (40961, 48363)]