90189561

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20549}}^1$

素因数の和:20589

約数の個数: 32

約数和(自身を含む): 157824000

約数和(自身を除く): 67634439

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 20549, 61647, 143843, 226039, 390431, 431529, 678117, 1171293, 1582273, 2733017, 4294741, 4746819, 8199051, 12884223, 30063187, 90189561]

約数ペア:

[(1, 90189561), (3, 30063187), (7, 12884223), (11, 8199051), (19, 4746819), (21, 4294741), (33, 2733017), (57, 1582273), (77, 1171293), (133, 678117), (209, 431529), (231, 390431), (399, 226039), (627, 143843), (1463, 61647), (4389, 20549)]