398274327

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4027}}^1$

素因数の和:4090

約数の個数: 48

約数和(自身を含む): 668583552

約数和(自身を除く): 270309225

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 243, 297, 333, 407, 891, 999, 1221, 2673, 2997, 3663, 4027, 8991, 10989, 12081, 32967, 36243, 44297, 98901, 108729, 132891, 148999, 326187, 398673, 446997, 978561, 1196019, 1340991, 1638989, 3588057, 4022973, 4916967, 10764171, 12068919, 14750901, 36206757, 44252703, 132758109, 398274327]

約数ペア:

[(1, 398274327), (3, 132758109), (9, 44252703), (11, 36206757), (27, 14750901), (33, 12068919), (37, 10764171), (81, 4916967), (99, 4022973), (111, 3588057), (243, 1638989), (297, 1340991), (333, 1196019), (407, 978561), (891, 446997), (999, 398673), (1221, 326187), (2673, 148999), (2997, 132891), (3663, 108729), (4027, 98901), (8991, 44297), (10989, 36243), (12081, 32967)]