9780129821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{8963}}^1$

素因数の和:9401

約数の個数: 32

約数和(自身を含む): 12557058048

約数和(自身を除く): 2776928227

約数列:

[1, 7, 11, 37, 77, 259, 383, 407, 2681, 2849, 4213, 8963, 14171, 29491, 62741, 98593, 99197, 155881, 331631, 690151, 1091167, 2321417, 3432829, 3647941, 24029803, 25535587, 37761119, 127014673, 264327833, 889102711, 1397161403, 9780129821]

約数ペア:

[(1, 9780129821), (7, 1397161403), (11, 889102711), (37, 264327833), (77, 127014673), (259, 37761119), (383, 25535587), (407, 24029803), (2681, 3647941), (2849, 3432829), (4213, 2321417), (8963, 1091167), (14171, 690151), (29491, 331631), (62741, 155881), (98593, 99197)]