840906

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 2066688

約数和(自身を除く): 1225782

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 137, 186, 198, 274, 279, 341, 411, 558, 682, 822, 1023, 1233, 1507, 2046, 2466, 3014, 3069, 4247, 4521, 6138, 8494, 9042, 12741, 13563, 25482, 27126, 38223, 46717, 76446, 93434, 140151, 280302, 420453, 840906]

約数ペア:

[(1, 840906), (2, 420453), (3, 280302), (6, 140151), (9, 93434), (11, 76446), (18, 46717), (22, 38223), (31, 27126), (33, 25482), (62, 13563), (66, 12741), (93, 9042), (99, 8494), (137, 6138), (186, 4521), (198, 4247), (274, 3069), (279, 3014), (341, 2466), (411, 2046), (558, 1507), (682, 1233), (822, 1023)]