28481901

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 45539328

約数和(自身を除く): 17057427

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 469, 651, 653, 1407, 1959, 2077, 4571, 6231, 13713, 14539, 20243, 43617, 43751, 60729, 131253, 141701, 306257, 425103, 918771, 1356281, 4068843, 9493967, 28481901]

約数ペア:

[(1, 28481901), (3, 9493967), (7, 4068843), (21, 1356281), (31, 918771), (67, 425103), (93, 306257), (201, 141701), (217, 131253), (469, 60729), (651, 43751), (653, 43617), (1407, 20243), (1959, 14539), (2077, 13713), (4571, 6231)]