153489021

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{13217}}^1$

素因数の和:13313

約数の個数: 24

約数和(自身を含む): 241096320

約数和(自身を除く): 87607299

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 11613, 13217, 39651, 92519, 277557, 647633, 1044143, 1942899, 3132429, 7309001, 21927003, 51163007, 153489021]

約数ペア:

[(1, 153489021), (3, 51163007), (7, 21927003), (21, 7309001), (49, 3132429), (79, 1942899), (147, 1044143), (237, 647633), (553, 277557), (1659, 92519), (3871, 39651), (11613, 13217)]