31402566

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 120

約数和(自身を含む): 80777664

約数和(自身を除く): 49375098

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 37, 39, 54, 62, 74, 78, 81, 93, 111, 117, 162, 169, 186, 222, 234, 279, 333, 338, 351, 403, 481, 507, 558, 666, 702, 806, 837, 962, 999, 1014, 1053, 1147, 1209, 1443, 1521, 1674, 1998, 2106, 2294, 2418, 2511, 2886, 2997, 3042, 3441, 3627, 4329, 4563, 5022, 5239, 5994, 6253, 6882, 7254, 8658, 9126, 10323, 10478, 10881, 12506, 12987, 13689, 14911, 15717, 18759, 20646, 21762, 25974, 27378, 29822, 30969, 31434, 32643, 37518, 38961, 44733, 47151, 56277, 61938, 65286, 77922, 89466, 92907, 94302, 112554, 134199, 141453, 168831, 185814, 193843, 268398, 282906, 337662, 387686, 402597, 424359, 506493, 581529, 805194, 848718, 1012986, 1163058, 1207791, 1744587, 2415582, 3489174, 5233761, 10467522, 15701283, 31402566]

約数ペア:

[(1, 31402566), (2, 15701283), (3, 10467522), (6, 5233761), (9, 3489174), (13, 2415582), (18, 1744587), (26, 1207791), (27, 1163058), (31, 1012986), (37, 848718), (39, 805194), (54, 581529), (62, 506493), (74, 424359), (78, 402597), (81, 387686), (93, 337662), (111, 282906), (117, 268398), (162, 193843), (169, 185814), (186, 168831), (222, 141453), (234, 134199), (279, 112554), (333, 94302), (338, 92907), (351, 89466), (403, 77922), (481, 65286), (507, 61938), (558, 56277), (666, 47151), (702, 44733), (806, 38961), (837, 37518), (962, 32643), (999, 31434), (1014, 30969), (1053, 29822), (1147, 27378), (1209, 25974), (1443, 21762), (1521, 20646), (1674, 18759), (1998, 15717), (2106, 14911), (2294, 13689), (2418, 12987), (2511, 12506), (2886, 10881), (2997, 10478), (3042, 10323), (3441, 9126), (3627, 8658), (4329, 7254), (4563, 6882), (5022, 6253), (5239, 5994)]