81728955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 179112960

約数和(自身を除く): 97384005

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 103, 105, 165, 229, 231, 309, 315, 385, 495, 515, 687, 693, 721, 927, 1133, 1145, 1155, 1545, 1603, 2061, 2163, 2519, 3399, 3435, 3465, 3605, 4635, 4809, 5665, 6489, 7557, 7931, 8015, 10197, 10305, 10815, 12595, 14427, 16995, 17633, 22671, 23587, 23793, 24045, 32445, 37785, 39655, 50985, 52899, 70761, 71379, 72135, 88165, 113355, 117935, 118965, 158697, 165109, 212283, 259457, 264495, 353805, 356895, 495327, 778371, 793485, 825545, 1061415, 1297285, 1485981, 1816199, 2335113, 2476635, 3891855, 5448597, 7429905, 9080995, 11675565, 16345791, 27242985, 81728955]

約数ペア:

[(1, 81728955), (3, 27242985), (5, 16345791), (7, 11675565), (9, 9080995), (11, 7429905), (15, 5448597), (21, 3891855), (33, 2476635), (35, 2335113), (45, 1816199), (55, 1485981), (63, 1297285), (77, 1061415), (99, 825545), (103, 793485), (105, 778371), (165, 495327), (229, 356895), (231, 353805), (309, 264495), (315, 259457), (385, 212283), (495, 165109), (515, 158697), (687, 118965), (693, 117935), (721, 113355), (927, 88165), (1133, 72135), (1145, 71379), (1155, 70761), (1545, 52899), (1603, 50985), (2061, 39655), (2163, 37785), (2519, 32445), (3399, 24045), (3435, 23793), (3465, 23587), (3605, 22671), (4635, 17633), (4809, 16995), (5665, 14427), (6489, 12595), (7557, 10815), (7931, 10305), (8015, 10197)]