420265377

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{44771}}^1$

素因数の和:44933

約数の個数: 24

約数和(自身を含む): 698443200

約数和(自身を除く): 278177823

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 44771, 134313, 313397, 402939, 940191, 2820573, 6670879, 20012637, 46696153, 60037911, 140088459, 420265377]

約数ペア:

[(1, 420265377), (3, 140088459), (7, 60037911), (9, 46696153), (21, 20012637), (63, 6670879), (149, 2820573), (447, 940191), (1043, 402939), (1341, 313397), (3129, 134313), (9387, 44771)]