18278712963

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{370547}}^1$

素因数の和:370598

約数の個数: 48

約数和(自身を含む): 32371073280

約数和(自身を除く): 14092360317

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 567, 609, 783, 1701, 1827, 2349, 5481, 7047, 16443, 49329, 370547, 1111641, 2593829, 3334923, 7781487, 10004769, 10745863, 23344461, 30014307, 32237589, 70033383, 75221041, 90042921, 96712767, 210100149, 225663123, 290138301, 630300447, 676989369, 870414903, 2030968107, 2611244709, 6092904321, 18278712963]

約数ペア:

[(1, 18278712963), (3, 6092904321), (7, 2611244709), (9, 2030968107), (21, 870414903), (27, 676989369), (29, 630300447), (63, 290138301), (81, 225663123), (87, 210100149), (189, 96712767), (203, 90042921), (243, 75221041), (261, 70033383), (567, 32237589), (609, 30014307), (783, 23344461), (1701, 10745863), (1827, 10004769), (2349, 7781487), (5481, 3334923), (7047, 2593829), (16443, 1111641), (49329, 370547)]