51919785

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7541}}^1$

素因数の和:7575

約数の個数: 40

約数和(自身を含む): 98558856

約数和(自身を除く): 46639071

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 7541, 22623, 37705, 67869, 113115, 128197, 203607, 339345, 384591, 610821, 640985, 1018035, 1153773, 1922955, 3054105, 3461319, 5768865, 10383957, 17306595, 51919785]

約数ペア:

[(1, 51919785), (3, 17306595), (5, 10383957), (9, 5768865), (15, 3461319), (17, 3054105), (27, 1922955), (45, 1153773), (51, 1018035), (81, 640985), (85, 610821), (135, 384591), (153, 339345), (255, 203607), (405, 128197), (459, 113115), (765, 67869), (1377, 37705), (2295, 22623), (6885, 7541)]