398463885

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 708873984

約数和(自身を除く): 310410099

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 293, 423, 643, 705, 879, 1465, 1929, 2115, 2637, 3215, 4395, 5787, 9645, 13185, 13771, 28935, 30221, 41313, 68855, 90663, 123939, 151105, 188399, 206565, 271989, 453315, 565197, 619695, 941995, 1359945, 1695591, 2825985, 8477955, 8854753, 26564259, 44273765, 79692777, 132821295, 398463885]

約数ペア:

[(1, 398463885), (3, 132821295), (5, 79692777), (9, 44273765), (15, 26564259), (45, 8854753), (47, 8477955), (141, 2825985), (235, 1695591), (293, 1359945), (423, 941995), (643, 619695), (705, 565197), (879, 453315), (1465, 271989), (1929, 206565), (2115, 188399), (2637, 151105), (3215, 123939), (4395, 90663), (5787, 68855), (9645, 41313), (13185, 30221), (13771, 28935)]