29988987

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2141}}^1$

素因数の和:2203

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 19362693

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 2001, 2141, 4669, 6423, 14007, 14987, 44961, 49243, 62089, 147729, 186267, 344701, 434623, 1034103, 1303869, 1428047, 4284141, 9996329, 29988987]

約数ペア:

[(1, 29988987), (3, 9996329), (7, 4284141), (21, 1428047), (23, 1303869), (29, 1034103), (69, 434623), (87, 344701), (161, 186267), (203, 147729), (483, 62089), (609, 49243), (667, 44961), (2001, 14987), (2141, 14007), (4669, 6423)]