81035838

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1567}}^1$

素因数の和:1618

約数の個数: 72

約数和(自身を含む): 201434688

約数和(自身を除く): 120398850

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 169, 221, 234, 306, 338, 442, 507, 663, 1014, 1326, 1521, 1567, 1989, 2873, 3042, 3134, 3978, 4701, 5746, 8619, 9402, 14103, 17238, 20371, 25857, 26639, 28206, 40742, 51714, 53278, 61113, 79917, 122226, 159834, 183339, 239751, 264823, 346307, 366678, 479502, 529646, 692614, 794469, 1038921, 1588938, 2077842, 2383407, 3116763, 4501991, 4766814, 6233526, 9003982, 13505973, 27011946, 40517919, 81035838]

約数ペア:

[(1, 81035838), (2, 40517919), (3, 27011946), (6, 13505973), (9, 9003982), (13, 6233526), (17, 4766814), (18, 4501991), (26, 3116763), (34, 2383407), (39, 2077842), (51, 1588938), (78, 1038921), (102, 794469), (117, 692614), (153, 529646), (169, 479502), (221, 366678), (234, 346307), (306, 264823), (338, 239751), (442, 183339), (507, 159834), (663, 122226), (1014, 79917), (1326, 61113), (1521, 53278), (1567, 51714), (1989, 40742), (2873, 28206), (3042, 26639), (3134, 25857), (3978, 20371), (4701, 17238), (5746, 14103), (8619, 9402)]