29821491

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 21396429

約数列:

[1, 3, 7, 9, 21, 59, 63, 71, 113, 177, 213, 339, 413, 497, 531, 639, 791, 1017, 1239, 1491, 2373, 3717, 4189, 4473, 6667, 7119, 8023, 12567, 20001, 24069, 29323, 37701, 46669, 56161, 60003, 72207, 87969, 140007, 168483, 263907, 420021, 473357, 505449, 1420071, 3313499, 4260213, 9940497, 29821491]

約数ペア:

[(1, 29821491), (3, 9940497), (7, 4260213), (9, 3313499), (21, 1420071), (59, 505449), (63, 473357), (71, 420021), (113, 263907), (177, 168483), (213, 140007), (339, 87969), (413, 72207), (497, 60003), (531, 56161), (639, 46669), (791, 37701), (1017, 29323), (1239, 24069), (1491, 20001), (2373, 12567), (3717, 8023), (4189, 7119), (4473, 6667)]