1280394

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 2882880

約数和(自身を除く): 1602486

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 181, 262, 362, 393, 543, 786, 1086, 1179, 1629, 2358, 3258, 3537, 4887, 7074, 9774, 23711, 47422, 71133, 142266, 213399, 426798, 640197, 1280394]

約数ペア:

[(1, 1280394), (2, 640197), (3, 426798), (6, 213399), (9, 142266), (18, 71133), (27, 47422), (54, 23711), (131, 9774), (181, 7074), (262, 4887), (362, 3537), (393, 3258), (543, 2358), (786, 1629), (1086, 1179)]