243567415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31489}}^1$

素因数の和:31531

約数の個数: 32

約数和(自身を含む): 380903040

約数和(自身を除く): 137335625

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 31489, 157445, 220423, 409357, 535313, 1102115, 2046785, 2676565, 2865499, 3747191, 6959069, 14327495, 18735955, 34795345, 48713483, 243567415]

約数ペア:

[(1, 243567415), (5, 48713483), (7, 34795345), (13, 18735955), (17, 14327495), (35, 6959069), (65, 3747191), (85, 2865499), (91, 2676565), (119, 2046785), (221, 1102115), (455, 535313), (595, 409357), (1105, 220423), (1547, 157445), (7735, 31489)]