64291521

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 102009600

約数和(自身を除く): 37718079

約数列:

[1, 3, 7, 21, 29, 87, 203, 229, 461, 609, 687, 1383, 1603, 3227, 4809, 6641, 9681, 13369, 19923, 40107, 46487, 93583, 105569, 139461, 280749, 316707, 738983, 2216949, 3061501, 9184503, 21430507, 64291521]

約数ペア:

[(1, 64291521), (3, 21430507), (7, 9184503), (21, 3061501), (29, 2216949), (87, 738983), (203, 316707), (229, 280749), (461, 139461), (609, 105569), (687, 93583), (1383, 46487), (1603, 40107), (3227, 19923), (4809, 13369), (6641, 9681)]