18479702997

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{18041}}^1$

素因数の和:18354

約数の個数: 48

約数和(自身を含む): 31072654080

約数和(自身を除く): 12592951083

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 229, 497, 639, 687, 1491, 1603, 2061, 4473, 4809, 14427, 16259, 18041, 48777, 54123, 113813, 126287, 146331, 162369, 341439, 378861, 1024317, 1136583, 1280911, 3842733, 4131389, 8966377, 11528199, 12394167, 26899131, 28919723, 37182501, 80697393, 86759169, 260277507, 293328619, 879985857, 2053300333, 2639957571, 6159900999, 18479702997]

約数ペア:

[(1, 18479702997), (3, 6159900999), (7, 2639957571), (9, 2053300333), (21, 879985857), (63, 293328619), (71, 260277507), (213, 86759169), (229, 80697393), (497, 37182501), (639, 28919723), (687, 26899131), (1491, 12394167), (1603, 11528199), (2061, 8966377), (4473, 4131389), (4809, 3842733), (14427, 1280911), (16259, 1136583), (18041, 1024317), (48777, 378861), (54123, 341439), (113813, 162369), (126287, 146331)]