13049925

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 25953696

約数和(自身を除く): 12903771

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 53, 67, 75, 105, 147, 159, 175, 201, 245, 265, 335, 371, 469, 525, 735, 795, 1005, 1113, 1225, 1325, 1407, 1675, 1855, 2345, 2597, 3283, 3551, 3675, 3975, 5025, 5565, 7035, 7791, 9275, 9849, 10653, 11725, 12985, 16415, 17755, 24857, 27825, 35175, 38955, 49245, 53265, 64925, 74571, 82075, 88775, 124285, 173999, 194775, 246225, 266325, 372855, 521997, 621425, 869995, 1864275, 2609985, 4349975, 13049925]

約数ペア:

[(1, 13049925), (3, 4349975), (5, 2609985), (7, 1864275), (15, 869995), (21, 621425), (25, 521997), (35, 372855), (49, 266325), (53, 246225), (67, 194775), (75, 173999), (105, 124285), (147, 88775), (159, 82075), (175, 74571), (201, 64925), (245, 53265), (265, 49245), (335, 38955), (371, 35175), (469, 27825), (525, 24857), (735, 17755), (795, 16415), (1005, 12985), (1113, 11725), (1225, 10653), (1325, 9849), (1407, 9275), (1675, 7791), (1855, 7035), (2345, 5565), (2597, 5025), (3283, 3975), (3551, 3675)]