121318021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 141329664

約数和(自身を除く): 20011643

約数列:

[1, 11, 19, 137, 209, 223, 361, 1507, 2453, 2603, 3971, 4237, 28633, 30551, 46607, 49457, 80503, 336061, 544027, 580469, 885533, 6385159, 11028911, 121318021]

約数ペア:

[(1, 121318021), (11, 11028911), (19, 6385159), (137, 885533), (209, 580469), (223, 544027), (361, 336061), (1507, 80503), (2453, 49457), (2603, 46607), (3971, 30551), (4237, 28633)]