79897881

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 130014720

約数和(自身を除く): 50116839

約数列:

[1, 3, 7, 21, 31, 49, 89, 93, 147, 197, 217, 267, 591, 623, 651, 1379, 1519, 1869, 2759, 4137, 4361, 4557, 6107, 8277, 9653, 13083, 17533, 18321, 19313, 28959, 42749, 52599, 57939, 122731, 128247, 135191, 299243, 368193, 405573, 543523, 859117, 897729, 1630569, 2577351, 3804661, 11413983, 26632627, 79897881]

約数ペア:

[(1, 79897881), (3, 26632627), (7, 11413983), (21, 3804661), (31, 2577351), (49, 1630569), (89, 897729), (93, 859117), (147, 543523), (197, 405573), (217, 368193), (267, 299243), (591, 135191), (623, 128247), (651, 122731), (1379, 57939), (1519, 52599), (1869, 42749), (2759, 28959), (4137, 19313), (4361, 18321), (4557, 17533), (6107, 13083), (8277, 9653)]