81464145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18043}}^1$

素因数の和:18101

約数の個数: 32

約数和(自身を含む): 152435712

約数和(自身を除く): 70971567

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 18043, 54129, 90215, 126301, 270645, 378903, 631505, 775849, 1894515, 2327547, 3879245, 5430943, 11637735, 16292829, 27154715, 81464145]

約数ペア:

[(1, 81464145), (3, 27154715), (5, 16292829), (7, 11637735), (15, 5430943), (21, 3879245), (35, 2327547), (43, 1894515), (105, 775849), (129, 631505), (215, 378903), (301, 270645), (645, 126301), (903, 90215), (1505, 54129), (4515, 18043)]