81737715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4861}}^1$

素因数の和:4947

約数の個数: 32

約数和(自身を含む): 140025600

約数和(自身を除く): 58287885

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 3363, 4861, 5605, 14583, 16815, 24305, 72915, 92359, 277077, 286799, 461795, 860397, 1385385, 1433995, 4301985, 5449181, 16347543, 27245905, 81737715]

約数ペア:

[(1, 81737715), (3, 27245905), (5, 16347543), (15, 5449181), (19, 4301985), (57, 1433995), (59, 1385385), (95, 860397), (177, 461795), (285, 286799), (295, 277077), (885, 92359), (1121, 72915), (3363, 24305), (4861, 16815), (5605, 14583)]