9899757

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 17452032

約数和(自身を除く): 7552275

約数列:

[1, 3, 7, 9, 21, 31, 37, 63, 93, 111, 137, 217, 259, 279, 333, 411, 651, 777, 959, 1147, 1233, 1953, 2331, 2877, 3441, 4247, 5069, 8029, 8631, 10323, 12741, 15207, 24087, 29729, 35483, 38223, 45621, 72261, 89187, 106449, 157139, 267561, 319347, 471417, 1099973, 1414251, 3299919, 9899757]

約数ペア:

[(1, 9899757), (3, 3299919), (7, 1414251), (9, 1099973), (21, 471417), (31, 319347), (37, 267561), (63, 157139), (93, 106449), (111, 89187), (137, 72261), (217, 45621), (259, 38223), (279, 35483), (333, 29729), (411, 24087), (651, 15207), (777, 12741), (959, 10323), (1147, 8631), (1233, 8029), (1953, 5069), (2331, 4247), (2877, 3441)]