1998171

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 3521232

約数和(自身を除く): 1523061

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 197, 207, 441, 483, 591, 1127, 1379, 1449, 1773, 3381, 4137, 4531, 9653, 10143, 12411, 13593, 28959, 31717, 40779, 86877, 95151, 222019, 285453, 666057, 1998171]

約数ペア:

[(1, 1998171), (3, 666057), (7, 285453), (9, 222019), (21, 95151), (23, 86877), (49, 40779), (63, 31717), (69, 28959), (147, 13593), (161, 12411), (197, 10143), (207, 9653), (441, 4531), (483, 4137), (591, 3381), (1127, 1773), (1379, 1449)]