221769219

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{61043}}^1$

素因数の和:61226

約数の個数: 16

約数和(自身を含む): 339892992

約数和(自身を除く): 118123773

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 61043, 183129, 427301, 1281903, 10560439, 31681317, 73923073, 221769219]

約数ペア:

[(1, 221769219), (3, 73923073), (7, 31681317), (21, 10560439), (173, 1281903), (519, 427301), (1211, 183129), (3633, 61043)]