65881455

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{853}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 111498240

約数和(自身を除く): 45616785

約数列:

[1, 3, 5, 15, 19, 57, 95, 271, 285, 813, 853, 1355, 2559, 4065, 4265, 5149, 12795, 15447, 16207, 25745, 48621, 77235, 81035, 231163, 243105, 693489, 1155815, 3467445, 4392097, 13176291, 21960485, 65881455]

約数ペア:

[(1, 65881455), (3, 21960485), (5, 13176291), (15, 4392097), (19, 3467445), (57, 1155815), (95, 693489), (271, 243105), (285, 231163), (813, 81035), (853, 77235), (1355, 48621), (2559, 25745), (4065, 16207), (4265, 15447), (5149, 12795)]