28014285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 49857984

約数和(自身を除く): 21843699

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 169, 195, 215, 257, 507, 559, 645, 771, 845, 1285, 1677, 2535, 2795, 3341, 3855, 7267, 8385, 10023, 11051, 16705, 21801, 33153, 36335, 43433, 50115, 55255, 109005, 130299, 143663, 165765, 217165, 430989, 651495, 718315, 1867619, 2154945, 5602857, 9338095, 28014285]

約数ペア:

[(1, 28014285), (3, 9338095), (5, 5602857), (13, 2154945), (15, 1867619), (39, 718315), (43, 651495), (65, 430989), (129, 217165), (169, 165765), (195, 143663), (215, 130299), (257, 109005), (507, 55255), (559, 50115), (645, 43433), (771, 36335), (845, 33153), (1285, 21801), (1677, 16705), (2535, 11051), (2795, 10023), (3341, 8385), (3855, 7267)]