208331295

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 356981760

約数和(自身を除く): 148650465

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 237, 285, 361, 395, 487, 1083, 1185, 1461, 1501, 1805, 2435, 4503, 5415, 7305, 7505, 9253, 22515, 27759, 28519, 38473, 46265, 85557, 115419, 138795, 142595, 175807, 192365, 427785, 527421, 577095, 730987, 879035, 2192961, 2637105, 3654935, 10964805, 13888753, 41666259, 69443765, 208331295]

約数ペア:

[(1, 208331295), (3, 69443765), (5, 41666259), (15, 13888753), (19, 10964805), (57, 3654935), (79, 2637105), (95, 2192961), (237, 879035), (285, 730987), (361, 577095), (395, 527421), (487, 427785), (1083, 192365), (1185, 175807), (1461, 142595), (1501, 138795), (1805, 115419), (2435, 85557), (4503, 46265), (5415, 38473), (7305, 28519), (7505, 27759), (9253, 22515)]