2178261

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 3481920

約数和(自身を除く): 1303659

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 619, 1173, 1857, 3519, 5571, 10523, 14237, 31569, 42711, 94707, 128133, 242029, 726087, 2178261]

約数ペア:

[(1, 2178261), (3, 726087), (9, 242029), (17, 128133), (23, 94707), (51, 42711), (69, 31569), (153, 14237), (207, 10523), (391, 5571), (619, 3519), (1173, 1857)]