81687315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 135336960

約数和(自身を除く): 53649645

約数列:

[1, 3, 5, 15, 43, 89, 129, 215, 267, 445, 645, 1335, 1423, 3827, 4269, 7115, 11481, 19135, 21345, 57405, 61189, 126647, 183567, 305945, 379941, 633235, 917835, 1899705, 5445821, 16337463, 27229105, 81687315]

約数ペア:

[(1, 81687315), (3, 27229105), (5, 16337463), (15, 5445821), (43, 1899705), (89, 917835), (129, 633235), (215, 379941), (267, 305945), (445, 183567), (645, 126647), (1335, 61189), (1423, 57405), (3827, 21345), (4269, 19135), (7115, 11481)]