720993447

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{4021}}^1$

素因数の和:4288

約数の個数: 32

約数和(自身を含む): 1110072000

約数和(自身を除く): 389078553

約数列:

[1, 3, 9, 27, 29, 87, 229, 261, 687, 783, 2061, 4021, 6183, 6641, 12063, 19923, 36189, 59769, 108567, 116609, 179307, 349827, 920809, 1049481, 2762427, 3148443, 8287281, 24861843, 26703461, 80110383, 240331149, 720993447]

約数ペア:

[(1, 720993447), (3, 240331149), (9, 80110383), (27, 26703461), (29, 24861843), (87, 8287281), (229, 3148443), (261, 2762427), (687, 1049481), (783, 920809), (2061, 349827), (4021, 179307), (6183, 116609), (6641, 108567), (12063, 59769), (19923, 36189)]