51219405

素因数分解:

$3^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{823}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 91365120

約数和(自身を除く): 40145715

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 461, 823, 1383, 2305, 2469, 4115, 4149, 6915, 7407, 12345, 12447, 20745, 22221, 37035, 62235, 111105, 379403, 1138209, 1897015, 3414627, 5691045, 10243881, 17073135, 51219405]

約数ペア:

[(1, 51219405), (3, 17073135), (5, 10243881), (9, 5691045), (15, 3414627), (27, 1897015), (45, 1138209), (135, 379403), (461, 111105), (823, 62235), (1383, 37035), (2305, 22221), (2469, 20745), (4115, 12447), (4149, 12345), (6915, 7407)]