31103199

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 50079744

約数和(自身を除く): 18976545

約数列:

[1, 3, 9, 23, 31, 37, 69, 93, 111, 131, 207, 279, 333, 393, 713, 851, 1147, 1179, 2139, 2553, 3013, 3441, 4061, 4847, 6417, 7659, 9039, 10323, 12183, 14541, 26381, 27117, 36549, 43623, 79143, 93403, 111481, 150257, 237429, 280209, 334443, 450771, 840627, 1003329, 1352313, 3455911, 10367733, 31103199]

約数ペア:

[(1, 31103199), (3, 10367733), (9, 3455911), (23, 1352313), (31, 1003329), (37, 840627), (69, 450771), (93, 334443), (111, 280209), (131, 237429), (207, 150257), (279, 111481), (333, 93403), (393, 79143), (713, 43623), (851, 36549), (1147, 27117), (1179, 26381), (2139, 14541), (2553, 12183), (3013, 10323), (3441, 9039), (4061, 7659), (4847, 6417)]