91235781

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 169021440

約数和(自身を除く): 77785659

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 91, 117, 189, 213, 273, 351, 497, 523, 639, 819, 923, 1491, 1569, 1917, 2457, 2769, 3661, 4473, 4707, 6461, 6799, 8307, 10983, 13419, 14121, 19383, 20397, 24921, 32949, 37133, 47593, 58149, 61191, 98847, 111399, 142779, 174447, 183573, 259931, 334197, 428337, 482729, 779793, 1002591, 1285011, 1448187, 2339379, 3379103, 4344561, 7018137, 10137309, 13033683, 30411927, 91235781]

約数ペア:

[(1, 91235781), (3, 30411927), (7, 13033683), (9, 10137309), (13, 7018137), (21, 4344561), (27, 3379103), (39, 2339379), (63, 1448187), (71, 1285011), (91, 1002591), (117, 779793), (189, 482729), (213, 428337), (273, 334197), (351, 259931), (497, 183573), (523, 174447), (639, 142779), (819, 111399), (923, 98847), (1491, 61191), (1569, 58149), (1917, 47593), (2457, 37133), (2769, 32949), (3661, 24921), (4473, 20397), (4707, 19383), (6461, 14121), (6799, 13419), (8307, 10983)]