149747493

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{19753}}^1$

素因数の和:19801

約数の個数: 24

約数和(自身を含む): 240840768

約数和(自身を除く): 91093275

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 19753, 59259, 138271, 375307, 414813, 1125921, 2627149, 7130833, 7881447, 21392499, 49915831, 149747493]

約数ペア:

[(1, 149747493), (3, 49915831), (7, 21392499), (19, 7881447), (21, 7130833), (57, 2627149), (133, 1125921), (361, 414813), (399, 375307), (1083, 138271), (2527, 59259), (7581, 19753)]