72037889

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 93446400

約数和(自身を除く): 21408511

約数列:

[1, 7, 11, 49, 61, 77, 313, 343, 427, 539, 671, 2191, 2989, 3443, 3773, 4697, 15337, 19093, 20923, 24101, 32879, 107359, 133651, 168707, 210023, 230153, 935557, 1180949, 1470161, 6548899, 10291127, 72037889]

約数ペア:

[(1, 72037889), (7, 10291127), (11, 6548899), (49, 1470161), (61, 1180949), (77, 935557), (313, 230153), (343, 210023), (427, 168707), (539, 133651), (671, 107359), (2191, 32879), (2989, 24101), (3443, 20923), (3773, 19093), (4697, 15337)]