87890697

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{457}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 138499200

約数和(自身を除く): 50608503

約数列:

[1, 3, 9, 17, 27, 51, 153, 419, 457, 459, 1257, 1371, 3771, 4113, 7123, 7769, 11313, 12339, 21369, 23307, 64107, 69921, 191483, 192321, 209763, 574449, 1723347, 3255211, 5170041, 9765633, 29296899, 87890697]

約数ペア:

[(1, 87890697), (3, 29296899), (9, 9765633), (17, 5170041), (27, 3255211), (51, 1723347), (153, 574449), (419, 209763), (457, 192321), (459, 191483), (1257, 69921), (1371, 64107), (3771, 23307), (4113, 21369), (7123, 12339), (7769, 11313)]