51353967

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 80227840

約数和(自身を除く): 28873873

約数列:

[1, 3, 7, 21, 73, 139, 219, 241, 417, 511, 723, 973, 1533, 1687, 2919, 5061, 10147, 17593, 30441, 33499, 52779, 71029, 100497, 123151, 213087, 234493, 369453, 703479, 2445427, 7336281, 17117989, 51353967]

約数ペア:

[(1, 51353967), (3, 17117989), (7, 7336281), (21, 2445427), (73, 703479), (139, 369453), (219, 234493), (241, 213087), (417, 123151), (511, 100497), (723, 71029), (973, 52779), (1533, 33499), (1687, 30441), (2919, 17593), (5061, 10147)]