81244515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16979}}^1$

素因数の和:17027

約数の個数: 32

約数和(自身を含む): 146707200

約数和(自身を除く): 65462685

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4785, 16979, 50937, 84895, 186769, 254685, 492391, 560307, 933845, 1477173, 2461955, 2801535, 5416301, 7385865, 16248903, 27081505, 81244515]

約数ペア:

[(1, 81244515), (3, 27081505), (5, 16248903), (11, 7385865), (15, 5416301), (29, 2801535), (33, 2461955), (55, 1477173), (87, 933845), (145, 560307), (165, 492391), (319, 254685), (435, 186769), (957, 84895), (1595, 50937), (4785, 16979)]