153928621

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 199487232

約数和(自身を除く): 45558611

約数列:

[1, 7, 11, 37, 77, 97, 259, 407, 557, 679, 1067, 2849, 3589, 3899, 6127, 7469, 20609, 25123, 39479, 42889, 54029, 144263, 226699, 276353, 378203, 594319, 1586893, 1999073, 4160233, 13993511, 21989803, 153928621]

約数ペア:

[(1, 153928621), (7, 21989803), (11, 13993511), (37, 4160233), (77, 1999073), (97, 1586893), (259, 594319), (407, 378203), (557, 276353), (679, 226699), (1067, 144263), (2849, 54029), (3589, 42889), (3899, 39479), (6127, 25123), (7469, 20609)]