290059785

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31139}}^1$

素因数の和:31179

約数の個数: 40

約数和(自身を含む): 542583360

約数和(自身を除く): 252523575

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 31139, 93417, 155695, 280251, 467085, 716197, 840753, 1401255, 2148591, 2522259, 3580985, 4203765, 6445773, 10742955, 12611295, 19337319, 32228865, 58011957, 96686595, 290059785]

約数ペア:

[(1, 290059785), (3, 96686595), (5, 58011957), (9, 32228865), (15, 19337319), (23, 12611295), (27, 10742955), (45, 6445773), (69, 4203765), (81, 3580985), (115, 2522259), (135, 2148591), (207, 1401255), (345, 840753), (405, 716197), (621, 467085), (1035, 280251), (1863, 155695), (3105, 93417), (9315, 31139)]