16410681

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 28389504

約数和(自身を除く): 11978823

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 281, 309, 567, 721, 843, 927, 1967, 2163, 2529, 2781, 5901, 6489, 7587, 8343, 17703, 19467, 22761, 28943, 53109, 58401, 86829, 159327, 202601, 260487, 607803, 781461, 1823409, 2344383, 5470227, 16410681]

約数ペア:

[(1, 16410681), (3, 5470227), (7, 2344383), (9, 1823409), (21, 781461), (27, 607803), (63, 260487), (81, 202601), (103, 159327), (189, 86829), (281, 58401), (309, 53109), (567, 28943), (721, 22761), (843, 19467), (927, 17703), (1967, 8343), (2163, 7587), (2529, 6489), (2781, 5901)]