217439175

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 370833408

約数和(自身を除く): 153394233

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 191, 215, 353, 573, 645, 955, 1059, 1075, 1765, 2865, 3225, 4775, 5295, 8213, 8825, 14325, 15179, 24639, 26475, 41065, 45537, 67423, 75895, 123195, 202269, 205325, 227685, 337115, 379475, 615975, 1011345, 1138425, 1685575, 2899189, 5056725, 8697567, 14495945, 43487835, 72479725, 217439175]

約数ペア:

[(1, 217439175), (3, 72479725), (5, 43487835), (15, 14495945), (25, 8697567), (43, 5056725), (75, 2899189), (129, 1685575), (191, 1138425), (215, 1011345), (353, 615975), (573, 379475), (645, 337115), (955, 227685), (1059, 205325), (1075, 202269), (1765, 123195), (2865, 75895), (3225, 67423), (4775, 45537), (5295, 41065), (8213, 26475), (8825, 24639), (14325, 15179)]