221544987

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{1733}}^1$

素因数の和:2770

約数の個数: 16

約数和(自身を含む): 302742528

約数和(自身を除く): 81197541

約数列:

[1, 3, 43, 129, 991, 1733, 2973, 5199, 42613, 74519, 127839, 223557, 1717403, 5152209, 73848329, 221544987]

約数ペア:

[(1, 221544987), (3, 73848329), (43, 5152209), (129, 1717403), (991, 223557), (1733, 127839), (2973, 74519), (5199, 42613)]