7252281

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 11532800

約数和(自身を除く): 4280519

約数列:

[1, 3, 9, 19, 27, 57, 67, 171, 201, 211, 513, 603, 633, 1273, 1809, 1899, 3819, 4009, 5697, 11457, 12027, 14137, 34371, 36081, 42411, 108243, 127233, 268603, 381699, 805809, 2417427, 7252281]

約数ペア:

[(1, 7252281), (3, 2417427), (9, 805809), (19, 381699), (27, 268603), (57, 127233), (67, 108243), (171, 42411), (201, 36081), (211, 34371), (513, 14137), (603, 12027), (633, 11457), (1273, 5697), (1809, 4009), (1899, 3819)]