77642481

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 121246720

約数和(自身を除く): 43604239

約数列:

[1, 3, 7, 21, 67, 139, 201, 397, 417, 469, 973, 1191, 1407, 2779, 2919, 8337, 9313, 26599, 27939, 55183, 65191, 79797, 165549, 186193, 195573, 386281, 558579, 1158843, 3697261, 11091783, 25880827, 77642481]

約数ペア:

[(1, 77642481), (3, 25880827), (7, 11091783), (21, 3697261), (67, 1158843), (139, 558579), (201, 386281), (397, 195573), (417, 186193), (469, 165549), (973, 79797), (1191, 65191), (1407, 55183), (2779, 27939), (2919, 26599), (8337, 9313)]