61820913

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 108380160

約数和(自身を除く): 46559247

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 89, 93, 97, 217, 231, 267, 291, 341, 623, 651, 679, 979, 1023, 1067, 1869, 2037, 2387, 2759, 2937, 3007, 3201, 6853, 7161, 7469, 8277, 8633, 9021, 19313, 20559, 21049, 22407, 25899, 30349, 33077, 57939, 60431, 63147, 91047, 94963, 99231, 181293, 212443, 231539, 267623, 284889, 637329, 664741, 694617, 802869, 1873361, 1994223, 2943853, 5620083, 8831559, 20606971, 61820913]

約数ペア:

[(1, 61820913), (3, 20606971), (7, 8831559), (11, 5620083), (21, 2943853), (31, 1994223), (33, 1873361), (77, 802869), (89, 694617), (93, 664741), (97, 637329), (217, 284889), (231, 267623), (267, 231539), (291, 212443), (341, 181293), (623, 99231), (651, 94963), (679, 91047), (979, 63147), (1023, 60431), (1067, 57939), (1869, 33077), (2037, 30349), (2387, 25899), (2759, 22407), (2937, 21049), (3007, 20559), (3201, 19313), (6853, 9021), (7161, 8633), (7469, 8277)]