1742391

素因数分解:

$3^4\times 7^2\times {\mathrm{439}}^1$

素因数の和:465

約数の個数: 30

約数和(自身を含む): 3034680

約数和(自身を除く): 1292289

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 439, 441, 567, 1317, 1323, 3073, 3951, 3969, 9219, 11853, 21511, 27657, 35559, 64533, 82971, 193599, 248913, 580797, 1742391]

約数ペア:

[(1, 1742391), (3, 580797), (7, 248913), (9, 193599), (21, 82971), (27, 64533), (49, 35559), (63, 27657), (81, 21511), (147, 11853), (189, 9219), (439, 3969), (441, 3951), (567, 3073), (1317, 1323)]