78163407

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17981}}^1$

素因数の和:18020

約数の個数: 32

約数和(自身を含む): 138101760

約数和(自身を除く): 59938353

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 17981, 53943, 125867, 161829, 377601, 413563, 485487, 1132803, 1240689, 2894941, 3398409, 3722067, 8684823, 11166201, 26054469, 78163407]

約数ペア:

[(1, 78163407), (3, 26054469), (7, 11166201), (9, 8684823), (21, 3722067), (23, 3398409), (27, 2894941), (63, 1240689), (69, 1132803), (161, 485487), (189, 413563), (207, 377601), (483, 161829), (621, 125867), (1449, 53943), (4347, 17981)]