219215619

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4621}}^1$

素因数の和:4888

約数の個数: 32

約数和(自身を含む): 372718080

約数和(自身を除く): 153502461

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 753, 1757, 2259, 4621, 5271, 6777, 13863, 15813, 32347, 41589, 47439, 97041, 124767, 291123, 873369, 1159871, 3479613, 8119097, 10438839, 24357291, 31316517, 73071873, 219215619]

約数ペア:

[(1, 219215619), (3, 73071873), (7, 31316517), (9, 24357291), (21, 10438839), (27, 8119097), (63, 3479613), (189, 1159871), (251, 873369), (753, 291123), (1757, 124767), (2259, 97041), (4621, 47439), (5271, 41589), (6777, 32347), (13863, 15813)]