205252425

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{18617}}^1$

素因数の和:18647

約数の個数: 54

約数和(自身を含む): 427674078

約数和(自身を除く): 222421653

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, 11025, 18617, 55851, 93085, 130319, 167553, 279255, 390957, 465425, 651595, 837765, 912233, 1172871, 1396275, 1954785, 2736699, 3257975, 4188825, 4561165, 5864355, 8210097, 9773925, 13683495, 22805825, 29321775, 41050485, 68417475, 205252425]

約数ペア:

[(1, 205252425), (3, 68417475), (5, 41050485), (7, 29321775), (9, 22805825), (15, 13683495), (21, 9773925), (25, 8210097), (35, 5864355), (45, 4561165), (49, 4188825), (63, 3257975), (75, 2736699), (105, 1954785), (147, 1396275), (175, 1172871), (225, 912233), (245, 837765), (315, 651595), (441, 465425), (525, 390957), (735, 279255), (1225, 167553), (1575, 130319), (2205, 93085), (3675, 55851), (11025, 18617)]