215565315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89261}}^1$

素因数の和:89299

約数の個数: 32

約数和(自身を含む): 411319296

約数和(自身を除く): 195753981

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 89261, 267783, 446305, 624827, 1338915, 1874481, 2053003, 3124135, 6159009, 9372405, 10265015, 14371021, 30795045, 43113063, 71855105, 215565315]

約数ペア:

[(1, 215565315), (3, 71855105), (5, 43113063), (7, 30795045), (15, 14371021), (21, 10265015), (23, 9372405), (35, 6159009), (69, 3124135), (105, 2053003), (115, 1874481), (161, 1338915), (345, 624827), (483, 446305), (805, 267783), (2415, 89261)]