20171184003

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{487}}^1\times {\mathrm{3257}}^1$

素因数の和:3913

約数の個数: 40

約数和(自身を含む): 30395784672

約数和(自身を除く): 10224600669

約数列:

[1, 3, 9, 27, 81, 157, 471, 487, 1413, 1461, 3257, 4239, 4383, 9771, 12717, 13149, 29313, 39447, 76459, 87939, 229377, 263817, 511349, 688131, 1534047, 1586159, 2064393, 4602141, 4758477, 6193179, 13806423, 14275431, 41419269, 42826293, 128478879, 249026963, 747080889, 2241242667, 6723728001, 20171184003]

約数ペア:

[(1, 20171184003), (3, 6723728001), (9, 2241242667), (27, 747080889), (81, 249026963), (157, 128478879), (471, 42826293), (487, 41419269), (1413, 14275431), (1461, 13806423), (3257, 6193179), (4239, 4758477), (4383, 4602141), (9771, 2064393), (12717, 1586159), (13149, 1534047), (29313, 688131), (39447, 511349), (76459, 263817), (87939, 229377)]