515477991

素因数分解:

$3^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{12391}}^1$

素因数の和:12691

約数の個数: 24

約数和(自身を含む): 802406784

約数和(自身を除く): 286928793

約数列:

[1, 3, 7, 21, 49, 147, 283, 849, 1981, 5943, 12391, 13867, 37173, 41601, 86737, 260211, 607159, 1821477, 3506653, 10519959, 24546571, 73639713, 171825997, 515477991]

約数ペア:

[(1, 515477991), (3, 171825997), (7, 73639713), (21, 24546571), (49, 10519959), (147, 3506653), (283, 1821477), (849, 607159), (1981, 260211), (5943, 86737), (12391, 41601), (13867, 37173)]