15969555

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 33732864

約数和(自身を除く): 17763309

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 81, 105, 129, 131, 135, 189, 215, 301, 315, 387, 393, 405, 567, 645, 655, 903, 917, 945, 1161, 1179, 1505, 1935, 1965, 2709, 2751, 2835, 3483, 3537, 4515, 4585, 5633, 5805, 5895, 8127, 8253, 10611, 13545, 13755, 16899, 17415, 17685, 24381, 24759, 28165, 39431, 40635, 41265, 50697, 53055, 74277, 84495, 118293, 121905, 123795, 152091, 197155, 253485, 354879, 371385, 456273, 591465, 760455, 1064637, 1774395, 2281365, 3193911, 5323185, 15969555]

約数ペア:

[(1, 15969555), (3, 5323185), (5, 3193911), (7, 2281365), (9, 1774395), (15, 1064637), (21, 760455), (27, 591465), (35, 456273), (43, 371385), (45, 354879), (63, 253485), (81, 197155), (105, 152091), (129, 123795), (131, 121905), (135, 118293), (189, 84495), (215, 74277), (301, 53055), (315, 50697), (387, 41265), (393, 40635), (405, 39431), (567, 28165), (645, 24759), (655, 24381), (903, 17685), (917, 17415), (945, 16899), (1161, 13755), (1179, 13545), (1505, 10611), (1935, 8253), (1965, 8127), (2709, 5895), (2751, 5805), (2835, 5633), (3483, 4585), (3537, 4515)]