210969819

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{947}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 322775040

約数和(自身を除く): 111805221

約数列:

[1, 3, 9, 27, 37, 111, 223, 333, 669, 947, 999, 2007, 2841, 6021, 8251, 8523, 24753, 25569, 35039, 74259, 105117, 211181, 222777, 315351, 633543, 946053, 1900629, 5701887, 7813697, 23441091, 70323273, 210969819]

約数ペア:

[(1, 210969819), (3, 70323273), (9, 23441091), (27, 7813697), (37, 5701887), (111, 1900629), (223, 946053), (333, 633543), (669, 315351), (947, 222777), (999, 211181), (2007, 105117), (2841, 74259), (6021, 35039), (8251, 25569), (8523, 24753)]