17961915741

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{18121}}^1$

素因数の和:18762

約数の個数: 48

約数和(自身を含む): 30443220288

約数和(自身を除く): 12481304547

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 613, 1617, 1839, 4291, 6743, 12873, 18121, 20229, 30037, 47201, 54363, 90111, 126847, 141603, 199331, 330407, 380541, 597993, 887929, 991221, 1395317, 2663787, 4185951, 9767219, 11108173, 29301657, 33324519, 77757211, 122189903, 233271633, 366569709, 544300477, 855329321, 1632901431, 2565987963, 5987305247, 17961915741]

約数ペア:

[(1, 17961915741), (3, 5987305247), (7, 2565987963), (11, 1632901431), (21, 855329321), (33, 544300477), (49, 366569709), (77, 233271633), (147, 122189903), (231, 77757211), (539, 33324519), (613, 29301657), (1617, 11108173), (1839, 9767219), (4291, 4185951), (6743, 2663787), (12873, 1395317), (18121, 991221), (20229, 887929), (30037, 597993), (47201, 380541), (54363, 330407), (90111, 199331), (126847, 141603)]