16250409

素因数分解:

$3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 28563840

約数和(自身を除く): 12313431

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 147, 173, 189, 213, 441, 497, 519, 639, 1211, 1323, 1491, 1557, 1917, 3479, 3633, 4473, 4671, 8477, 10437, 10899, 12283, 13419, 25431, 31311, 32697, 36849, 76293, 85981, 93933, 110547, 228879, 257943, 331641, 601867, 773829, 1805601, 2321487, 5416803, 16250409]

約数ペア:

[(1, 16250409), (3, 5416803), (7, 2321487), (9, 1805601), (21, 773829), (27, 601867), (49, 331641), (63, 257943), (71, 228879), (147, 110547), (173, 93933), (189, 85981), (213, 76293), (441, 36849), (497, 32697), (519, 31311), (639, 25431), (1211, 13419), (1323, 12283), (1491, 10899), (1557, 10437), (1917, 8477), (3479, 4671), (3633, 4473)]