31233321

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 23803479

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 97, 133, 171, 269, 291, 399, 679, 807, 873, 1197, 1843, 1883, 2037, 2421, 5111, 5529, 5649, 6111, 12901, 15333, 16587, 16947, 26093, 35777, 38703, 45999, 78279, 107331, 116109, 182651, 234837, 321993, 495767, 547953, 1487301, 1643859, 3470369, 4461903, 10411107, 31233321]

約数ペア:

[(1, 31233321), (3, 10411107), (7, 4461903), (9, 3470369), (19, 1643859), (21, 1487301), (57, 547953), (63, 495767), (97, 321993), (133, 234837), (171, 182651), (269, 116109), (291, 107331), (399, 78279), (679, 45999), (807, 38703), (873, 35777), (1197, 26093), (1843, 16947), (1883, 16587), (2037, 15333), (2421, 12901), (5111, 6111), (5529, 5649)]