81540216

素因数分解:

$2^3\times 3^3\times {\mathrm{227}}^1\times {\mathrm{1663}}^1$

素因数の和:1905

約数の個数: 64

約数和(自身を含む): 227635200

約数和(自身を除く): 146094984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 227, 454, 681, 908, 1362, 1663, 1816, 2043, 2724, 3326, 4086, 4989, 5448, 6129, 6652, 8172, 9978, 12258, 13304, 14967, 16344, 19956, 24516, 29934, 39912, 44901, 49032, 59868, 89802, 119736, 179604, 359208, 377501, 755002, 1132503, 1510004, 2265006, 3020008, 3397509, 4530012, 6795018, 9060024, 10192527, 13590036, 20385054, 27180072, 40770108, 81540216]

約数ペア:

[(1, 81540216), (2, 40770108), (3, 27180072), (4, 20385054), (6, 13590036), (8, 10192527), (9, 9060024), (12, 6795018), (18, 4530012), (24, 3397509), (27, 3020008), (36, 2265006), (54, 1510004), (72, 1132503), (108, 755002), (216, 377501), (227, 359208), (454, 179604), (681, 119736), (908, 89802), (1362, 59868), (1663, 49032), (1816, 44901), (2043, 39912), (2724, 29934), (3326, 24516), (4086, 19956), (4989, 16344), (5448, 14967), (6129, 13304), (6652, 12258), (8172, 9978)]