65276991

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 110545344

約数和(自身を除く): 45268353

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 111, 117, 153, 221, 333, 481, 629, 663, 887, 1443, 1887, 1989, 2661, 4329, 5661, 7983, 8177, 11531, 15079, 24531, 32819, 34593, 45237, 73593, 98457, 103779, 135711, 196027, 295371, 426647, 557923, 588081, 1279941, 1673769, 1764243, 3839823, 5021307, 7252999, 21758997, 65276991]

約数ペア:

[(1, 65276991), (3, 21758997), (9, 7252999), (13, 5021307), (17, 3839823), (37, 1764243), (39, 1673769), (51, 1279941), (111, 588081), (117, 557923), (153, 426647), (221, 295371), (333, 196027), (481, 135711), (629, 103779), (663, 98457), (887, 73593), (1443, 45237), (1887, 34593), (1989, 32819), (2661, 24531), (4329, 15079), (5661, 11531), (7983, 8177)]