20310507

素因数分解:

$3^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:449

約数の個数: 40

約数和(自身を含む): 35091936

約数和(自身を除く): 14781429

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 113, 189, 317, 339, 567, 791, 951, 1017, 2219, 2373, 2853, 3051, 6657, 7119, 8559, 9153, 19971, 21357, 25677, 35821, 59913, 64071, 107463, 179739, 250747, 322389, 752241, 967167, 2256723, 2901501, 6770169, 20310507]

約数ペア:

[(1, 20310507), (3, 6770169), (7, 2901501), (9, 2256723), (21, 967167), (27, 752241), (63, 322389), (81, 250747), (113, 179739), (189, 107463), (317, 64071), (339, 59913), (567, 35821), (791, 25677), (951, 21357), (1017, 19971), (2219, 9153), (2373, 8559), (2853, 7119), (3051, 6657)]