1221782217

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{25073}}^1$

素因数の和:25552

約数の個数: 16

約数和(自身を含む): 1676949120

約数和(自身を除く): 455166903

約数列:

[1, 3, 37, 111, 439, 1317, 16243, 25073, 48729, 75219, 927701, 2783103, 11007047, 33021141, 407260739, 1221782217]

約数ペア:

[(1, 1221782217), (3, 407260739), (37, 33021141), (111, 11007047), (439, 2783103), (1317, 927701), (16243, 75219), (25073, 48729)]