28502901

素因数分解:

$3^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 48537600

約数和(自身を除く): 20034699

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 239, 631, 717, 1673, 1893, 2151, 4417, 5019, 5679, 6453, 13251, 15057, 17037, 39753, 45171, 119259, 150809, 452427, 1055663, 1357281, 3166989, 4071843, 9500967, 28502901]

約数ペア:

[(1, 28502901), (3, 9500967), (7, 4071843), (9, 3166989), (21, 1357281), (27, 1055663), (63, 452427), (189, 150809), (239, 119259), (631, 45171), (717, 39753), (1673, 17037), (1893, 15057), (2151, 13251), (4417, 6453), (5019, 5679)]