249335499

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{6067}}^1$

素因数の和:6199

約数の個数: 32

約数和(自身を含む): 403886080

約数和(自身を除く): 154550581

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1957, 2163, 5871, 6067, 13699, 18201, 41097, 42469, 115273, 127407, 345819, 624901, 806911, 1874703, 2420733, 4374307, 11873119, 13122921, 35619357, 83111833, 249335499]

約数ペア:

[(1, 249335499), (3, 83111833), (7, 35619357), (19, 13122921), (21, 11873119), (57, 4374307), (103, 2420733), (133, 1874703), (309, 806911), (399, 624901), (721, 345819), (1957, 127407), (2163, 115273), (5871, 42469), (6067, 41097), (13699, 18201)]