201255945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 375134976

約数和(自身を除く): 173879031

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 157, 165, 187, 255, 457, 471, 561, 785, 935, 1371, 1727, 2285, 2355, 2669, 2805, 5027, 5181, 6855, 7769, 8007, 8635, 13345, 15081, 23307, 25135, 25905, 29359, 38845, 40035, 71749, 75405, 85459, 88077, 116535, 146795, 215247, 256377, 358745, 427295, 440385, 789239, 1076235, 1219733, 1281885, 2367717, 3659199, 3946195, 6098665, 11838585, 13417063, 18295995, 40251189, 67085315, 201255945]

約数ペア:

[(1, 201255945), (3, 67085315), (5, 40251189), (11, 18295995), (15, 13417063), (17, 11838585), (33, 6098665), (51, 3946195), (55, 3659199), (85, 2367717), (157, 1281885), (165, 1219733), (187, 1076235), (255, 789239), (457, 440385), (471, 427295), (561, 358745), (785, 256377), (935, 215247), (1371, 146795), (1727, 116535), (2285, 88077), (2355, 85459), (2669, 75405), (2805, 71749), (5027, 40035), (5181, 38845), (6855, 29359), (7769, 25905), (8007, 25135), (8635, 23307), (13345, 15081)]