215271

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:100

約数の個数: 32

約数和(自身を含む): 391680

約数和(自身を除く): 176409

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 67, 119, 153, 189, 201, 357, 459, 469, 603, 1071, 1139, 1407, 1809, 3213, 3417, 4221, 7973, 10251, 12663, 23919, 30753, 71757, 215271]

約数ペア:

[(1, 215271), (3, 71757), (7, 30753), (9, 23919), (17, 12663), (21, 10251), (27, 7973), (51, 4221), (63, 3417), (67, 3213), (119, 1809), (153, 1407), (189, 1139), (201, 1071), (357, 603), (459, 469)]