31088145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 57542400

約数和(自身を除く): 26454255

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 73, 87, 89, 145, 165, 219, 267, 319, 365, 435, 445, 803, 957, 979, 1095, 1335, 1595, 2117, 2409, 2581, 2937, 4015, 4785, 4895, 6351, 6497, 7743, 10585, 12045, 12905, 14685, 19491, 23287, 28391, 31755, 32485, 38715, 69861, 71467, 85173, 97455, 116435, 141955, 188413, 214401, 349305, 357335, 425865, 565239, 942065, 1072005, 2072543, 2826195, 6217629, 10362715, 31088145]

約数ペア:

[(1, 31088145), (3, 10362715), (5, 6217629), (11, 2826195), (15, 2072543), (29, 1072005), (33, 942065), (55, 565239), (73, 425865), (87, 357335), (89, 349305), (145, 214401), (165, 188413), (219, 141955), (267, 116435), (319, 97455), (365, 85173), (435, 71467), (445, 69861), (803, 38715), (957, 32485), (979, 31755), (1095, 28391), (1335, 23287), (1595, 19491), (2117, 14685), (2409, 12905), (2581, 12045), (2937, 10585), (4015, 7743), (4785, 6497), (4895, 6351)]