320440707

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 495855360

約数和(自身を除く): 175414653

約数列:

[1, 3, 9, 31, 41, 93, 109, 123, 257, 279, 327, 369, 771, 981, 1271, 2313, 3379, 3813, 4469, 7967, 10137, 10537, 11439, 13407, 23901, 28013, 30411, 31611, 40221, 71703, 84039, 94833, 138539, 252117, 326647, 415617, 868403, 979941, 1148533, 1246851, 2605209, 2939823, 3445599, 7815627, 10336797, 35604523, 106813569, 320440707]

約数ペア:

[(1, 320440707), (3, 106813569), (9, 35604523), (31, 10336797), (41, 7815627), (93, 3445599), (109, 2939823), (123, 2605209), (257, 1246851), (279, 1148533), (327, 979941), (369, 868403), (771, 415617), (981, 326647), (1271, 252117), (2313, 138539), (3379, 94833), (3813, 84039), (4469, 71703), (7967, 40221), (10137, 31611), (10537, 30411), (11439, 28013), (13407, 23901)]