85787289

素因数分解:

$3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1063}}^1$

素因数の和:1147

約数の個数: 48

約数和(自身を含む): 150407040

約数和(自身を除く): 64619751

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 427, 441, 549, 1063, 1281, 1323, 1647, 2989, 3189, 3843, 7441, 8967, 9567, 11529, 22323, 26901, 28701, 52087, 64843, 66969, 80703, 156261, 194529, 200907, 453901, 468783, 583587, 1361703, 1406349, 1750761, 3177307, 4085109, 9531921, 12255327, 28595763, 85787289]

約数ペア:

[(1, 85787289), (3, 28595763), (7, 12255327), (9, 9531921), (21, 4085109), (27, 3177307), (49, 1750761), (61, 1406349), (63, 1361703), (147, 583587), (183, 468783), (189, 453901), (427, 200907), (441, 194529), (549, 156261), (1063, 80703), (1281, 66969), (1323, 64843), (1647, 52087), (2989, 28701), (3189, 26901), (3843, 22323), (7441, 11529), (8967, 9567)]