87910017

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 141926400

約数和(自身を除く): 54016383

約数列:

[1, 3, 13, 19, 31, 39, 43, 57, 89, 93, 129, 247, 267, 403, 559, 589, 741, 817, 1157, 1209, 1333, 1677, 1691, 1767, 2451, 2759, 3471, 3827, 3999, 5073, 7657, 8277, 10621, 11481, 17329, 21983, 22971, 25327, 31863, 35867, 49751, 51987, 52421, 65949, 72713, 75981, 107601, 118637, 149253, 157263, 218139, 329251, 355911, 681473, 945269, 987753, 1542281, 2044419, 2254103, 2835807, 4626843, 6762309, 29303339, 87910017]

約数ペア:

[(1, 87910017), (3, 29303339), (13, 6762309), (19, 4626843), (31, 2835807), (39, 2254103), (43, 2044419), (57, 1542281), (89, 987753), (93, 945269), (129, 681473), (247, 355911), (267, 329251), (403, 218139), (559, 157263), (589, 149253), (741, 118637), (817, 107601), (1157, 75981), (1209, 72713), (1333, 65949), (1677, 52421), (1691, 51987), (1767, 49751), (2451, 35867), (2759, 31863), (3471, 25327), (3827, 22971), (3999, 21983), (5073, 17329), (7657, 11481), (8277, 10621)]