66680289

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 110073600

約数和(自身を除く): 43393311

約数列:

[1, 3, 9, 13, 23, 39, 69, 71, 117, 207, 213, 299, 349, 639, 897, 923, 1047, 1633, 2691, 2769, 3141, 4537, 4899, 8027, 8307, 13611, 14697, 21229, 24081, 24779, 40833, 63687, 72243, 74337, 104351, 191061, 223011, 313053, 322127, 569917, 939159, 966381, 1709751, 2899143, 5129253, 7408921, 22226763, 66680289]

約数ペア:

[(1, 66680289), (3, 22226763), (9, 7408921), (13, 5129253), (23, 2899143), (39, 1709751), (69, 966381), (71, 939159), (117, 569917), (207, 322127), (213, 313053), (299, 223011), (349, 191061), (639, 104351), (897, 74337), (923, 72243), (1047, 63687), (1633, 40833), (2691, 24779), (2769, 24081), (3141, 21229), (4537, 14697), (4899, 13611), (8027, 8307)]