72345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:81

約数の個数: 32

約数和(自身を含む): 145152

約数和(自身を除く): 72807

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 53, 65, 91, 105, 159, 195, 265, 273, 371, 455, 689, 795, 1113, 1365, 1855, 2067, 3445, 4823, 5565, 10335, 14469, 24115, 72345]

約数ペア:

[(1, 72345), (3, 24115), (5, 14469), (7, 10335), (13, 5565), (15, 4823), (21, 3445), (35, 2067), (39, 1855), (53, 1365), (65, 1113), (91, 795), (105, 689), (159, 455), (195, 371), (265, 273)]