51990813

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3803}}^1$

素因数の和:3854

約数の個数: 36

約数和(自身を含む): 90200448

約数和(自身を除く): 38209635

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 1519, 1953, 3803, 4557, 11409, 13671, 26621, 34227, 79863, 117893, 186347, 239589, 353679, 559041, 825251, 1061037, 1677123, 2475753, 5776757, 7427259, 17330271, 51990813]

約数ペア:

[(1, 51990813), (3, 17330271), (7, 7427259), (9, 5776757), (21, 2475753), (31, 1677123), (49, 1061037), (63, 825251), (93, 559041), (147, 353679), (217, 239589), (279, 186347), (441, 117893), (651, 79863), (1519, 34227), (1953, 26621), (3803, 13671), (4557, 11409)]