31687215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13121}}^1$

素因数の和:13159

約数の個数: 32

約数和(自身を含む): 60466176

約数和(自身を除く): 28778961

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 13121, 39363, 65605, 91847, 196815, 275541, 301783, 459235, 905349, 1377705, 1508915, 2112481, 4526745, 6337443, 10562405, 31687215]

約数ペア:

[(1, 31687215), (3, 10562405), (5, 6337443), (7, 4526745), (15, 2112481), (21, 1508915), (23, 1377705), (35, 905349), (69, 459235), (105, 301783), (115, 275541), (161, 196815), (345, 91847), (483, 65605), (805, 39363), (2415, 13121)]