30790431

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 55411200

約数和(自身を除く): 24620769

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 609, 887, 1197, 1653, 1827, 2661, 3857, 4959, 6209, 7983, 11571, 16853, 18627, 25723, 34713, 50559, 55881, 77169, 117971, 151677, 180061, 231507, 353913, 488737, 540183, 1061739, 1466211, 1620549, 3421159, 4398633, 10263477, 30790431]

約数ペア:

[(1, 30790431), (3, 10263477), (7, 4398633), (9, 3421159), (19, 1620549), (21, 1466211), (29, 1061739), (57, 540183), (63, 488737), (87, 353913), (133, 231507), (171, 180061), (203, 151677), (261, 117971), (399, 77169), (551, 55881), (609, 50559), (887, 34713), (1197, 25723), (1653, 18627), (1827, 16853), (2661, 11571), (3857, 7983), (4959, 6209)]