30939315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 27121485

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 71, 95, 139, 165, 209, 213, 285, 355, 417, 627, 695, 781, 1045, 1065, 1349, 1529, 2085, 2343, 2641, 3135, 3905, 4047, 4587, 6745, 7645, 7923, 9869, 11715, 13205, 14839, 20235, 22935, 29051, 29607, 39615, 44517, 49345, 74195, 87153, 108559, 145255, 148035, 187511, 222585, 325677, 435765, 542795, 562533, 937555, 1628385, 2062621, 2812665, 6187863, 10313105, 30939315]

約数ペア:

[(1, 30939315), (3, 10313105), (5, 6187863), (11, 2812665), (15, 2062621), (19, 1628385), (33, 937555), (55, 562533), (57, 542795), (71, 435765), (95, 325677), (139, 222585), (165, 187511), (209, 148035), (213, 145255), (285, 108559), (355, 87153), (417, 74195), (627, 49345), (695, 44517), (781, 39615), (1045, 29607), (1065, 29051), (1349, 22935), (1529, 20235), (2085, 14839), (2343, 13205), (2641, 11715), (3135, 9869), (3905, 7923), (4047, 7645), (4587, 6745)]