220195731

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3049}}^1$

素因数の和:3259

約数の個数: 32

約数和(自身を含む): 355264000

約数和(自身を除く): 135068269

約数列:

[1, 3, 7, 19, 21, 57, 133, 181, 399, 543, 1267, 3049, 3439, 3801, 9147, 10317, 21343, 24073, 57931, 64029, 72219, 173793, 405517, 551869, 1216551, 1655607, 3863083, 10485511, 11589249, 31456533, 73398577, 220195731]

約数ペア:

[(1, 220195731), (3, 73398577), (7, 31456533), (19, 11589249), (21, 10485511), (57, 3863083), (133, 1655607), (181, 1216551), (399, 551869), (543, 405517), (1267, 173793), (3049, 72219), (3439, 64029), (3801, 57931), (9147, 24073), (10317, 21343)]