31500126

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 80393040

約数和(自身を除く): 48892914

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 89, 106, 126, 159, 178, 267, 318, 371, 477, 534, 623, 742, 801, 954, 1113, 1246, 1602, 1869, 2226, 2809, 3339, 3738, 4717, 5607, 5618, 6678, 8427, 9434, 11214, 14151, 16854, 19663, 25281, 28302, 33019, 39326, 42453, 50562, 58989, 66038, 84906, 99057, 117978, 176967, 198114, 250001, 297171, 353934, 500002, 594342, 750003, 1500006, 1750007, 2250009, 3500014, 4500018, 5250021, 10500042, 15750063, 31500126]

約数ペア:

[(1, 31500126), (2, 15750063), (3, 10500042), (6, 5250021), (7, 4500018), (9, 3500014), (14, 2250009), (18, 1750007), (21, 1500006), (42, 750003), (53, 594342), (63, 500002), (89, 353934), (106, 297171), (126, 250001), (159, 198114), (178, 176967), (267, 117978), (318, 99057), (371, 84906), (477, 66038), (534, 58989), (623, 50562), (742, 42453), (801, 39326), (954, 33019), (1113, 28302), (1246, 25281), (1602, 19663), (1869, 16854), (2226, 14151), (2809, 11214), (3339, 9434), (3738, 8427), (4717, 6678), (5607, 5618)]