201205221

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 327444480

約数和(自身を除く): 126239259

約数列:

[1, 3, 7, 21, 31, 49, 67, 93, 147, 201, 217, 469, 651, 659, 1407, 1519, 1977, 2077, 3283, 4557, 4613, 6231, 9849, 13839, 14539, 20429, 32291, 43617, 44153, 61287, 96873, 101773, 132459, 143003, 305319, 309071, 429009, 927213, 1001021, 1368743, 2163497, 3003063, 4106229, 6490491, 9581201, 28743603, 67068407, 201205221]

約数ペア:

[(1, 201205221), (3, 67068407), (7, 28743603), (21, 9581201), (31, 6490491), (49, 4106229), (67, 3003063), (93, 2163497), (147, 1368743), (201, 1001021), (217, 927213), (469, 429009), (651, 309071), (659, 305319), (1407, 143003), (1519, 132459), (1977, 101773), (2077, 96873), (3283, 61287), (4557, 44153), (4613, 43617), (6231, 32291), (9849, 20429), (13839, 14539)]