237936447

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3019}}^1$

素因数の和:3177

約数の個数: 40

約数和(自身を含む): 409270400

約数和(自身を除く): 171333953

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 417, 567, 973, 1251, 2919, 3019, 3753, 8757, 9057, 11259, 21133, 26271, 27171, 63399, 78813, 81513, 190197, 244539, 419641, 570591, 1258923, 1711773, 2937487, 3776769, 8812461, 11330307, 26437383, 33990921, 79312149, 237936447]

約数ペア:

[(1, 237936447), (3, 79312149), (7, 33990921), (9, 26437383), (21, 11330307), (27, 8812461), (63, 3776769), (81, 2937487), (139, 1711773), (189, 1258923), (417, 570591), (567, 419641), (973, 244539), (1251, 190197), (2919, 81513), (3019, 78813), (3753, 63399), (8757, 27171), (9057, 26271), (11259, 21133)]