64165815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6571}}^1$

素因数の和:6620

約数の個数: 48

約数和(自身を含む): 131229696

約数和(自身を除く): 67063881

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 3255, 6571, 9765, 19713, 32855, 45997, 59139, 98565, 137991, 203701, 229985, 295695, 413973, 611103, 689955, 1018505, 1425907, 1833309, 2069865, 3055515, 4277721, 7129535, 9166545, 12833163, 21388605, 64165815]

約数ペア:

[(1, 64165815), (3, 21388605), (5, 12833163), (7, 9166545), (9, 7129535), (15, 4277721), (21, 3055515), (31, 2069865), (35, 1833309), (45, 1425907), (63, 1018505), (93, 689955), (105, 611103), (155, 413973), (217, 295695), (279, 229985), (315, 203701), (465, 137991), (651, 98565), (1085, 59139), (1395, 45997), (1953, 32855), (3255, 19713), (6571, 9765)]