56190015

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1499}}^1$

素因数の和:1541

約数の個数: 72

約数和(自身を含む): 120042000

約数和(自身を除く): 63851985

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1499, 1785, 2205, 2499, 4165, 4497, 5355, 7495, 7497, 10493, 12495, 13491, 22485, 25483, 31479, 37485, 52465, 67455, 73451, 76449, 94437, 127415, 157395, 178381, 220353, 229347, 367255, 382245, 472185, 535143, 661059, 891905, 1101765, 1146735, 1248667, 1605429, 2675715, 3305295, 3746001, 6243335, 8027145, 11238003, 18730005, 56190015]

約数ペア:

[(1, 56190015), (3, 18730005), (5, 11238003), (7, 8027145), (9, 6243335), (15, 3746001), (17, 3305295), (21, 2675715), (35, 1605429), (45, 1248667), (49, 1146735), (51, 1101765), (63, 891905), (85, 661059), (105, 535143), (119, 472185), (147, 382245), (153, 367255), (245, 229347), (255, 220353), (315, 178381), (357, 157395), (441, 127415), (595, 94437), (735, 76449), (765, 73451), (833, 67455), (1071, 52465), (1499, 37485), (1785, 31479), (2205, 25483), (2499, 22485), (4165, 13491), (4497, 12495), (5355, 10493), (7495, 7497)]