221401433

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 262295040

約数和(自身を除く): 40893607

約数列:

[1, 11, 19, 67, 97, 163, 209, 737, 1067, 1273, 1793, 1843, 3097, 6499, 10921, 14003, 15811, 20273, 34067, 71489, 120131, 123481, 173921, 207499, 300409, 1059337, 1358291, 2282489, 3304499, 11652707, 20127403, 221401433]

約数ペア:

[(1, 221401433), (11, 20127403), (19, 11652707), (67, 3304499), (97, 2282489), (163, 1358291), (209, 1059337), (737, 300409), (1067, 207499), (1273, 173921), (1793, 123481), (1843, 120131), (3097, 71489), (6499, 34067), (10921, 20273), (14003, 15811)]