201210975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3037

約数の個数: 72

約数和(自身を含む): 421596032

約数和(自身を除く): 220385057

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 63, 75, 105, 129, 175, 215, 225, 301, 315, 387, 525, 645, 903, 1075, 1505, 1575, 1935, 2709, 2971, 3225, 4515, 7525, 8913, 9675, 13545, 14855, 20797, 22575, 26739, 44565, 62391, 67725, 74275, 103985, 127753, 133695, 187173, 222825, 311955, 383259, 519925, 638765, 668475, 894271, 935865, 1149777, 1559775, 1916295, 2682813, 3193825, 4471355, 4679325, 5748885, 8048439, 9581475, 13414065, 22356775, 28744425, 40242195, 67070325, 201210975]

約数ペア:

[(1, 201210975), (3, 67070325), (5, 40242195), (7, 28744425), (9, 22356775), (15, 13414065), (21, 9581475), (25, 8048439), (35, 5748885), (43, 4679325), (45, 4471355), (63, 3193825), (75, 2682813), (105, 1916295), (129, 1559775), (175, 1149777), (215, 935865), (225, 894271), (301, 668475), (315, 638765), (387, 519925), (525, 383259), (645, 311955), (903, 222825), (1075, 187173), (1505, 133695), (1575, 127753), (1935, 103985), (2709, 74275), (2971, 67725), (3225, 62391), (4515, 44565), (7525, 26739), (8913, 22575), (9675, 20797), (13545, 14855)]