25528419

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7109}}^1$

素因数の和:7144

約数の個数: 32

約数和(自身を含む): 45504000

約数和(自身を除く): 19975581

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 7109, 21327, 49763, 63981, 135071, 149289, 191943, 405213, 447867, 945497, 1215639, 1343601, 2836491, 3646917, 8509473, 25528419]

約数ペア:

[(1, 25528419), (3, 8509473), (7, 3646917), (9, 2836491), (19, 1343601), (21, 1215639), (27, 945497), (57, 447867), (63, 405213), (133, 191943), (171, 149289), (189, 135071), (399, 63981), (513, 49763), (1197, 21327), (3591, 7109)]