201870825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1051}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 361601856

約数和(自身を除く): 159731031

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 197, 325, 591, 975, 985, 1051, 2561, 2955, 3153, 4925, 5255, 7683, 12805, 13663, 14775, 15765, 26275, 38415, 40989, 64025, 68315, 78825, 192075, 204945, 207047, 341575, 621141, 1024725, 1035235, 2691611, 3105705, 5176175, 8074833, 13458055, 15528525, 40374165, 67290275, 201870825]

約数ペア:

[(1, 201870825), (3, 67290275), (5, 40374165), (13, 15528525), (15, 13458055), (25, 8074833), (39, 5176175), (65, 3105705), (75, 2691611), (195, 1035235), (197, 1024725), (325, 621141), (591, 341575), (975, 207047), (985, 204945), (1051, 192075), (2561, 78825), (2955, 68315), (3153, 64025), (4925, 40989), (5255, 38415), (7683, 26275), (12805, 15765), (13663, 14775)]