221613

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 345216

約数和(自身を除く): 123603

約数列:

[1, 3, 7, 21, 61, 173, 183, 427, 519, 1211, 1281, 3633, 10553, 31659, 73871, 221613]

約数ペア:

[(1, 221613), (3, 73871), (7, 31659), (21, 10553), (61, 3633), (173, 1281), (183, 1211), (427, 519)]