280034253

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:759

約数の個数: 40

約数和(自身を含む): 434593280

約数和(自身を除く): 154559027

約数列:

[1, 3, 9, 27, 31, 81, 93, 229, 279, 487, 687, 837, 1461, 2061, 2511, 4383, 6183, 7099, 13149, 15097, 18549, 21297, 39447, 45291, 63891, 111523, 135873, 191673, 334569, 407619, 575019, 1003707, 1222857, 3011121, 3457213, 9033363, 10371639, 31114917, 93344751, 280034253]

約数ペア:

[(1, 280034253), (3, 93344751), (9, 31114917), (27, 10371639), (31, 9033363), (81, 3457213), (93, 3011121), (229, 1222857), (279, 1003707), (487, 575019), (687, 407619), (837, 334569), (1461, 191673), (2061, 135873), (2511, 111523), (4383, 63891), (6183, 45291), (7099, 39447), (13149, 21297), (15097, 18549)]