16728327

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 30551040

約数和(自身を除く): 13822713

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 101, 231, 239, 303, 693, 707, 717, 909, 1111, 1673, 2121, 2151, 2629, 3333, 5019, 6363, 7777, 7887, 9999, 15057, 18403, 23331, 23661, 24139, 55209, 69993, 72417, 165627, 168973, 217251, 265529, 506919, 796587, 1520757, 1858703, 2389761, 5576109, 16728327]

約数ペア:

[(1, 16728327), (3, 5576109), (7, 2389761), (9, 1858703), (11, 1520757), (21, 796587), (33, 506919), (63, 265529), (77, 217251), (99, 168973), (101, 165627), (231, 72417), (239, 69993), (303, 55209), (693, 24139), (707, 23661), (717, 23331), (909, 18403), (1111, 15057), (1673, 9999), (2121, 7887), (2151, 7777), (2629, 6363), (3333, 5019)]