26989557

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 21117963

約数列:

[1, 3, 7, 17, 19, 21, 23, 51, 57, 69, 119, 133, 161, 173, 323, 357, 391, 399, 437, 483, 519, 969, 1173, 1211, 1311, 2261, 2737, 2941, 3059, 3287, 3633, 3979, 6783, 7429, 8211, 8823, 9177, 9861, 11937, 20587, 22287, 23009, 27853, 52003, 55879, 61761, 67643, 69027, 75601, 83559, 156009, 167637, 202929, 226803, 391153, 473501, 529207, 1173459, 1285217, 1420503, 1587621, 3855651, 8996519, 26989557]

約数ペア:

[(1, 26989557), (3, 8996519), (7, 3855651), (17, 1587621), (19, 1420503), (21, 1285217), (23, 1173459), (51, 529207), (57, 473501), (69, 391153), (119, 226803), (133, 202929), (161, 167637), (173, 156009), (323, 83559), (357, 75601), (391, 69027), (399, 67643), (437, 61761), (483, 55879), (519, 52003), (969, 27853), (1173, 23009), (1211, 22287), (1311, 20587), (2261, 11937), (2737, 9861), (2941, 9177), (3059, 8823), (3287, 8211), (3633, 7429), (3979, 6783)]