72969519

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{919}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 117760000

約数和(自身を除く): 44790481

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 399, 597, 919, 1393, 2757, 3781, 4179, 6433, 11343, 17461, 19299, 26467, 52383, 79401, 122227, 182881, 366681, 548643, 1280167, 3474739, 3840501, 10424217, 24323173, 72969519]

約数ペア:

[(1, 72969519), (3, 24323173), (7, 10424217), (19, 3840501), (21, 3474739), (57, 1280167), (133, 548643), (199, 366681), (399, 182881), (597, 122227), (919, 79401), (1393, 52383), (2757, 26467), (3781, 19299), (4179, 17461), (6433, 11343)]