750000009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{6121}}^1$

素因数の和:6261

約数の個数: 32

約数和(自身を含む): 1128407040

約数和(自身を除く): 378407031

約数列:

[1, 3, 11, 33, 47, 79, 141, 237, 517, 869, 1551, 2607, 3713, 6121, 11139, 18363, 40843, 67331, 122529, 201993, 287687, 483559, 863061, 1450677, 3164557, 5319149, 9493671, 15957447, 22727273, 68181819, 250000003, 750000009]

約数ペア:

[(1, 750000009), (3, 250000003), (11, 68181819), (33, 22727273), (47, 15957447), (79, 9493671), (141, 5319149), (237, 3164557), (517, 1450677), (869, 863061), (1551, 483559), (2607, 287687), (3713, 201993), (6121, 122529), (11139, 67331), (18363, 40843)]