81855396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8779}}^1$

素因数の和:8833

約数の個数: 72

約数和(自身を含む): 242889920

約数和(自身を除く): 161034524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2331, 3108, 4662, 8779, 9324, 17558, 26337, 35116, 52674, 61453, 79011, 105348, 122906, 158022, 184359, 245812, 316044, 324823, 368718, 553077, 649646, 737436, 974469, 1106154, 1299292, 1948938, 2212308, 2273761, 2923407, 3897876, 4547522, 5846814, 6821283, 9095044, 11693628, 13642566, 20463849, 27285132, 40927698, 81855396]

約数ペア:

[(1, 81855396), (2, 40927698), (3, 27285132), (4, 20463849), (6, 13642566), (7, 11693628), (9, 9095044), (12, 6821283), (14, 5846814), (18, 4547522), (21, 3897876), (28, 2923407), (36, 2273761), (37, 2212308), (42, 1948938), (63, 1299292), (74, 1106154), (84, 974469), (111, 737436), (126, 649646), (148, 553077), (222, 368718), (252, 324823), (259, 316044), (333, 245812), (444, 184359), (518, 158022), (666, 122906), (777, 105348), (1036, 79011), (1332, 61453), (1554, 52674), (2331, 35116), (3108, 26337), (4662, 17558), (8779, 9324)]