61221015

素因数分解:

$3^4\times 5^1\times {\mathrm{151163}}^1$

素因数の和:151180

約数の個数: 20

約数和(自身を含む): 109745064

約数和(自身を除く): 48524049

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 151163, 453489, 755815, 1360467, 2267445, 4081401, 6802335, 12244203, 20407005, 61221015]

約数ペア:

[(1, 61221015), (3, 20407005), (5, 12244203), (9, 6802335), (15, 4081401), (27, 2267445), (45, 1360467), (81, 755815), (135, 453489), (405, 151163)]