821772

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{1087}}^1$

素因数の和:1107

約数の個数: 48

約数和(自身を含む): 2437120

約数和(自身を除く): 1615348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 1087, 2174, 3261, 4348, 6522, 7609, 9783, 13044, 15218, 19566, 22827, 29349, 30436, 39132, 45654, 58698, 68481, 91308, 117396, 136962, 205443, 273924, 410886, 821772]

約数ペア:

[(1, 821772), (2, 410886), (3, 273924), (4, 205443), (6, 136962), (7, 117396), (9, 91308), (12, 68481), (14, 58698), (18, 45654), (21, 39132), (27, 30436), (28, 29349), (36, 22827), (42, 19566), (54, 15218), (63, 13044), (84, 9783), (108, 7609), (126, 6522), (189, 4348), (252, 3261), (378, 2174), (756, 1087)]