261856854

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{692743}}^1$

素因数の和:692761

約数の個数: 32

約数和(自身を含む): 665034240

約数和(自身を除く): 403177386

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 692743, 1385486, 2078229, 4156458, 4849201, 6234687, 9698402, 12469374, 14547603, 18704061, 29095206, 37408122, 43642809, 87285618, 130928427, 261856854]

約数ペア:

[(1, 261856854), (2, 130928427), (3, 87285618), (6, 43642809), (7, 37408122), (9, 29095206), (14, 18704061), (18, 14547603), (21, 12469374), (27, 9698402), (42, 6234687), (54, 4849201), (63, 4156458), (126, 2078229), (189, 1385486), (378, 692743)]