420658839

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{51419}}^1$

素因数の和:51532

約数の個数: 20

約数和(自身を含む): 634625640

約数和(自身を除く): 213966801

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 51419, 154257, 462771, 1388313, 4164939, 5193319, 15579957, 46739871, 140219613, 420658839]

約数ペア:

[(1, 420658839), (3, 140219613), (9, 46739871), (27, 15579957), (81, 5193319), (101, 4164939), (303, 1388313), (909, 462771), (2727, 154257), (8181, 51419)]