81243225

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{7369}}^1$

素因数の和:7399

約数の個数: 54

約数和(自身を含む): 169296270

約数和(自身を除く): 88053045

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 441, 525, 735, 1225, 1575, 2205, 3675, 7369, 11025, 22107, 36845, 51583, 66321, 110535, 154749, 184225, 257915, 331605, 361081, 464247, 552675, 773745, 1083243, 1289575, 1658025, 1805405, 2321235, 3249729, 3868725, 5416215, 9027025, 11606175, 16248645, 27081075, 81243225]

約数ペア:

[(1, 81243225), (3, 27081075), (5, 16248645), (7, 11606175), (9, 9027025), (15, 5416215), (21, 3868725), (25, 3249729), (35, 2321235), (45, 1805405), (49, 1658025), (63, 1289575), (75, 1083243), (105, 773745), (147, 552675), (175, 464247), (225, 361081), (245, 331605), (315, 257915), (441, 184225), (525, 154749), (735, 110535), (1225, 66321), (1575, 51583), (2205, 36845), (3675, 22107), (7369, 11025)]