31809465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 59799168

約数和(自身を除く): 27989703

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 645, 731, 765, 967, 1935, 2193, 2901, 3655, 4835, 6579, 8703, 10965, 14505, 16439, 32895, 41581, 43515, 49317, 82195, 124743, 147951, 207905, 246585, 374229, 623715, 706877, 739755, 1871145, 2120631, 3534385, 6361893, 10603155, 31809465]

約数ペア:

[(1, 31809465), (3, 10603155), (5, 6361893), (9, 3534385), (15, 2120631), (17, 1871145), (43, 739755), (45, 706877), (51, 623715), (85, 374229), (129, 246585), (153, 207905), (215, 147951), (255, 124743), (387, 82195), (645, 49317), (731, 43515), (765, 41581), (967, 32895), (1935, 16439), (2193, 14505), (2901, 10965), (3655, 8703), (4835, 6579)]