320199381

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 504504000

約数和(自身を除く): 184304619

約数列:

[1, 3, 9, 19, 41, 57, 109, 123, 171, 327, 369, 419, 779, 981, 1257, 2071, 2337, 3771, 4469, 6213, 7011, 7961, 13407, 17179, 18639, 23883, 40221, 45671, 51537, 71649, 84911, 137013, 154611, 254733, 326401, 411039, 764199, 867749, 979203, 1872511, 2603247, 2937609, 5617533, 7809741, 16852599, 35577709, 106733127, 320199381]

約数ペア:

[(1, 320199381), (3, 106733127), (9, 35577709), (19, 16852599), (41, 7809741), (57, 5617533), (109, 2937609), (123, 2603247), (171, 1872511), (327, 979203), (369, 867749), (419, 764199), (779, 411039), (981, 326401), (1257, 254733), (2071, 154611), (2337, 137013), (3771, 84911), (4469, 71649), (6213, 51537), (7011, 45671), (7961, 40221), (13407, 23883), (17179, 18639)]