81322038

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1193}}^1$

素因数の和:1749

約数の個数: 48

約数和(自身を含む): 201910176

約数和(自身を除く): 120588138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 541, 1082, 1193, 1623, 2386, 3246, 3579, 3787, 4869, 7158, 7574, 8351, 9738, 10737, 11361, 16702, 21474, 22722, 25053, 34083, 50106, 68166, 75159, 150318, 645413, 1290826, 1936239, 3872478, 4517891, 5808717, 9035782, 11617434, 13553673, 27107346, 40661019, 81322038]

約数ペア:

[(1, 81322038), (2, 40661019), (3, 27107346), (6, 13553673), (7, 11617434), (9, 9035782), (14, 5808717), (18, 4517891), (21, 3872478), (42, 1936239), (63, 1290826), (126, 645413), (541, 150318), (1082, 75159), (1193, 68166), (1623, 50106), (2386, 34083), (3246, 25053), (3579, 22722), (3787, 21474), (4869, 16702), (7158, 11361), (7574, 10737), (8351, 9738)]