278320635

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1523}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 502115328

約数和(自身を除く): 223794693

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 131, 155, 279, 393, 465, 655, 1179, 1395, 1523, 1965, 4061, 4569, 5895, 7615, 12183, 13707, 20305, 22845, 36549, 47213, 60915, 68535, 141639, 182745, 199513, 236065, 424917, 598539, 708195, 997565, 1795617, 2124585, 2992695, 6184903, 8978085, 18554709, 30924515, 55664127, 92773545, 278320635]

約数ペア:

[(1, 278320635), (3, 92773545), (5, 55664127), (9, 30924515), (15, 18554709), (31, 8978085), (45, 6184903), (93, 2992695), (131, 2124585), (155, 1795617), (279, 997565), (393, 708195), (465, 598539), (655, 424917), (1179, 236065), (1395, 199513), (1523, 182745), (1965, 141639), (4061, 68535), (4569, 60915), (5895, 47213), (7615, 36549), (12183, 22845), (13707, 20305)]