13178715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 23786784

約数和(自身を除く): 10608069

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 121, 137, 159, 165, 265, 363, 411, 583, 605, 685, 795, 1507, 1749, 1815, 2055, 2915, 4521, 6413, 7261, 7535, 8745, 16577, 19239, 21783, 22605, 32065, 36305, 49731, 79871, 82885, 96195, 108915, 239613, 248655, 399355, 878581, 1198065, 2635743, 4392905, 13178715]

約数ペア:

[(1, 13178715), (3, 4392905), (5, 2635743), (11, 1198065), (15, 878581), (33, 399355), (53, 248655), (55, 239613), (121, 108915), (137, 96195), (159, 82885), (165, 79871), (265, 49731), (363, 36305), (411, 32065), (583, 22605), (605, 21783), (685, 19239), (795, 16577), (1507, 8745), (1749, 7535), (1815, 7261), (2055, 6413), (2915, 4521)]