27789405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 54632448

約数和(自身を除く): 26843043

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 37, 69, 105, 111, 115, 161, 185, 259, 311, 345, 483, 555, 777, 805, 851, 933, 1295, 1555, 2177, 2415, 2553, 3885, 4255, 4665, 5957, 6531, 7153, 10885, 11507, 12765, 17871, 21459, 29785, 32655, 34521, 35765, 50071, 57535, 80549, 89355, 107295, 150213, 172605, 241647, 250355, 264661, 402745, 751065, 793983, 1208235, 1323305, 1852627, 3969915, 5557881, 9263135, 27789405]

約数ペア:

[(1, 27789405), (3, 9263135), (5, 5557881), (7, 3969915), (15, 1852627), (21, 1323305), (23, 1208235), (35, 793983), (37, 751065), (69, 402745), (105, 264661), (111, 250355), (115, 241647), (161, 172605), (185, 150213), (259, 107295), (311, 89355), (345, 80549), (483, 57535), (555, 50071), (777, 35765), (805, 34521), (851, 32655), (933, 29785), (1295, 21459), (1555, 17871), (2177, 12765), (2415, 11507), (2553, 10885), (3885, 7153), (4255, 6531), (4665, 5957)]