216975165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 405430272

約数和(自身を除く): 188455107

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 103, 165, 187, 255, 309, 515, 561, 751, 935, 1133, 1545, 1751, 2253, 2805, 3399, 3755, 5253, 5665, 8261, 8755, 11265, 12767, 16995, 19261, 24783, 26265, 38301, 41305, 57783, 63835, 77353, 96305, 123915, 140437, 191505, 232059, 288915, 386765, 421311, 702185, 850883, 1160295, 1315001, 2106555, 2552649, 3945003, 4254415, 6575005, 12763245, 14465011, 19725015, 43395033, 72325055, 216975165]

約数ペア:

[(1, 216975165), (3, 72325055), (5, 43395033), (11, 19725015), (15, 14465011), (17, 12763245), (33, 6575005), (51, 4254415), (55, 3945003), (85, 2552649), (103, 2106555), (165, 1315001), (187, 1160295), (255, 850883), (309, 702185), (515, 421311), (561, 386765), (751, 288915), (935, 232059), (1133, 191505), (1545, 140437), (1751, 123915), (2253, 96305), (2805, 77353), (3399, 63835), (3755, 57783), (5253, 41305), (5665, 38301), (8261, 26265), (8755, 24783), (11265, 19261), (12767, 16995)]