28912059

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 48444528

約数和(自身を除く): 19532469

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 877, 891, 999, 1221, 2631, 2997, 3663, 7893, 9647, 10989, 23679, 28941, 32449, 32967, 71037, 86823, 97347, 260469, 292041, 356939, 781407, 876123, 1070817, 2628369, 3212451, 9637353, 28912059]

約数ペア:

[(1, 28912059), (3, 9637353), (9, 3212451), (11, 2628369), (27, 1070817), (33, 876123), (37, 781407), (81, 356939), (99, 292041), (111, 260469), (297, 97347), (333, 86823), (407, 71037), (877, 32967), (891, 32449), (999, 28941), (1221, 23679), (2631, 10989), (2997, 9647), (3663, 7893)]