421551981

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{367}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 661340160

約数和(自身を除く): 239788179

約数列:

[1, 3, 9, 23, 31, 69, 93, 179, 207, 279, 367, 537, 713, 1101, 1611, 2139, 3303, 4117, 5549, 6417, 8441, 11377, 12351, 16647, 25323, 34131, 37053, 49941, 65693, 75969, 102393, 127627, 197079, 261671, 382881, 591237, 785013, 1148643, 1510939, 2036483, 2355039, 4532817, 6109449, 13598451, 18328347, 46839109, 140517327, 421551981]

約数ペア:

[(1, 421551981), (3, 140517327), (9, 46839109), (23, 18328347), (31, 13598451), (69, 6109449), (93, 4532817), (179, 2355039), (207, 2036483), (279, 1510939), (367, 1148643), (537, 785013), (713, 591237), (1101, 382881), (1611, 261671), (2139, 197079), (3303, 127627), (4117, 102393), (5549, 75969), (6417, 65693), (8441, 49941), (11377, 37053), (12351, 34131), (16647, 25323)]