212164995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{87853}}^1$

素因数の和:87891

約数の個数: 32

約数和(自身を含む): 404831232

約数和(自身を除く): 192666237

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 87853, 263559, 439265, 614971, 1317795, 1844913, 2020619, 3074855, 6061857, 9224565, 10103095, 14144333, 30309285, 42432999, 70721665, 212164995]

約数ペア:

[(1, 212164995), (3, 70721665), (5, 42432999), (7, 30309285), (15, 14144333), (21, 10103095), (23, 9224565), (35, 6061857), (69, 3074855), (105, 2020619), (115, 1844913), (161, 1317795), (345, 614971), (483, 439265), (805, 263559), (2415, 87853)]