16464825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{433}}^1$

素因数の和:475

約数の個数: 54

約数和(自身を含む): 32007066

約数和(自身を除く): 15542241

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 169, 195, 225, 325, 433, 507, 585, 845, 975, 1299, 1521, 2165, 2535, 2925, 3897, 4225, 5629, 6495, 7605, 10825, 12675, 16887, 19485, 28145, 32475, 38025, 50661, 73177, 84435, 97425, 140725, 219531, 253305, 365885, 422175, 658593, 1097655, 1266525, 1829425, 3292965, 5488275, 16464825]

約数ペア:

[(1, 16464825), (3, 5488275), (5, 3292965), (9, 1829425), (13, 1266525), (15, 1097655), (25, 658593), (39, 422175), (45, 365885), (65, 253305), (75, 219531), (117, 140725), (169, 97425), (195, 84435), (225, 73177), (325, 50661), (433, 38025), (507, 32475), (585, 28145), (845, 19485), (975, 16887), (1299, 12675), (1521, 10825), (2165, 7605), (2535, 6495), (2925, 5629), (3897, 4225)]