12940725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{157}}^2$

素因数の和:334

約数の個数: 36

約数和(自身を含む): 24608544

約数和(自身を除く): 11667819

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 157, 175, 471, 525, 785, 1099, 2355, 3297, 3925, 5495, 11775, 16485, 24649, 27475, 73947, 82425, 123245, 172543, 369735, 517629, 616225, 862715, 1848675, 2588145, 4313575, 12940725]

約数ペア:

[(1, 12940725), (3, 4313575), (5, 2588145), (7, 1848675), (15, 862715), (21, 616225), (25, 517629), (35, 369735), (75, 172543), (105, 123245), (157, 82425), (175, 73947), (471, 27475), (525, 24649), (785, 16485), (1099, 11775), (2355, 5495), (3297, 3925)]