987531105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{15307}}^1$

素因数の和:15366

約数の個数: 64

約数和(自身を含む): 1904560128

約数和(自身を除く): 917029023

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 561, 759, 935, 1173, 1265, 1955, 2805, 3795, 4301, 5865, 12903, 15307, 21505, 45921, 64515, 76535, 168377, 229605, 260219, 352061, 505131, 780657, 841885, 1056183, 1301095, 1760305, 2525655, 2862409, 3872671, 3903285, 5280915, 5985037, 8587227, 11618013, 14312045, 17955111, 19363355, 29925185, 42936135, 58090065, 65835407, 89775555, 197506221, 329177035, 987531105]

約数ペア:

[(1, 987531105), (3, 329177035), (5, 197506221), (11, 89775555), (15, 65835407), (17, 58090065), (23, 42936135), (33, 29925185), (51, 19363355), (55, 17955111), (69, 14312045), (85, 11618013), (115, 8587227), (165, 5985037), (187, 5280915), (253, 3903285), (255, 3872671), (345, 2862409), (391, 2525655), (561, 1760305), (759, 1301095), (935, 1056183), (1173, 841885), (1265, 780657), (1955, 505131), (2805, 352061), (3795, 260219), (4301, 229605), (5865, 168377), (12903, 76535), (15307, 64515), (21505, 45921)]