42015687

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 73915776

約数和(自身を除く): 31900089

約数列:

[1, 3, 7, 17, 21, 23, 43, 49, 51, 69, 119, 129, 147, 161, 289, 301, 357, 391, 483, 731, 833, 867, 903, 989, 1127, 1173, 2023, 2107, 2193, 2499, 2737, 2967, 3381, 5117, 6069, 6321, 6647, 6923, 8211, 12427, 14161, 15351, 16813, 19159, 19941, 20769, 35819, 37281, 42483, 46529, 48461, 50439, 57477, 86989, 107457, 117691, 139587, 145383, 260967, 285821, 325703, 353073, 608923, 823837, 857463, 977109, 1826769, 2000747, 2471511, 6002241, 14005229, 42015687]

約数ペア:

[(1, 42015687), (3, 14005229), (7, 6002241), (17, 2471511), (21, 2000747), (23, 1826769), (43, 977109), (49, 857463), (51, 823837), (69, 608923), (119, 353073), (129, 325703), (147, 285821), (161, 260967), (289, 145383), (301, 139587), (357, 117691), (391, 107457), (483, 86989), (731, 57477), (833, 50439), (867, 48461), (903, 46529), (989, 42483), (1127, 37281), (1173, 35819), (2023, 20769), (2107, 19941), (2193, 19159), (2499, 16813), (2737, 15351), (2967, 14161), (3381, 12427), (5117, 8211), (6069, 6923), (6321, 6647)]