280375845

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{2393}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 459188352

約数和(自身を除く): 178812507

約数列:

[1, 3, 5, 15, 73, 107, 219, 321, 365, 535, 1095, 1605, 2393, 7179, 7811, 11965, 23433, 35895, 39055, 117165, 174689, 256051, 524067, 768153, 873445, 1280255, 2620335, 3840765, 18691723, 56075169, 93458615, 280375845]

約数ペア:

[(1, 280375845), (3, 93458615), (5, 56075169), (15, 18691723), (73, 3840765), (107, 2620335), (219, 1280255), (321, 873445), (365, 768153), (535, 524067), (1095, 256051), (1605, 174689), (2393, 117165), (7179, 39055), (7811, 35895), (11965, 23433)]