121808778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^2$

素因数の和:300

約数の個数: 72

約数和(自身を含む): 303803424

約数和(自身を除く): 181994646

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 131, 169, 182, 262, 273, 338, 393, 507, 546, 786, 917, 1014, 1183, 1703, 1834, 2366, 2751, 3406, 3549, 5109, 5502, 7098, 10218, 11921, 17161, 22139, 23842, 34322, 35763, 44278, 51483, 66417, 71526, 102966, 120127, 132834, 154973, 223093, 240254, 309946, 360381, 446186, 464919, 669279, 720762, 929838, 1338558, 1561651, 2900209, 3123302, 4684953, 5800418, 8700627, 9369906, 17401254, 20301463, 40602926, 60904389, 121808778]

約数ペア:

[(1, 121808778), (2, 60904389), (3, 40602926), (6, 20301463), (7, 17401254), (13, 9369906), (14, 8700627), (21, 5800418), (26, 4684953), (39, 3123302), (42, 2900209), (78, 1561651), (91, 1338558), (131, 929838), (169, 720762), (182, 669279), (262, 464919), (273, 446186), (338, 360381), (393, 309946), (507, 240254), (546, 223093), (786, 154973), (917, 132834), (1014, 120127), (1183, 102966), (1703, 71526), (1834, 66417), (2366, 51483), (2751, 44278), (3406, 35763), (3549, 34322), (5109, 23842), (5502, 22139), (7098, 17161), (10218, 11921)]