388680225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 662052864

約数和(自身を除く): 273372639

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 191, 215, 573, 631, 645, 955, 1075, 1893, 2865, 3155, 3225, 4775, 8213, 9465, 14325, 15775, 24639, 27133, 41065, 47325, 81399, 120521, 123195, 135665, 205325, 361563, 406995, 602605, 615975, 678325, 1807815, 2034975, 3013025, 5182403, 9039075, 15547209, 25912015, 77736045, 129560075, 388680225]

約数ペア:

[(1, 388680225), (3, 129560075), (5, 77736045), (15, 25912015), (25, 15547209), (43, 9039075), (75, 5182403), (129, 3013025), (191, 2034975), (215, 1807815), (573, 678325), (631, 615975), (645, 602605), (955, 406995), (1075, 361563), (1893, 205325), (2865, 135665), (3155, 123195), (3225, 120521), (4775, 81399), (8213, 47325), (9465, 41065), (14325, 27133), (15775, 24639)]