15188481

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 29023488

約数和(自身を除く): 13835007

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 49, 63, 77, 93, 99, 101, 147, 217, 231, 279, 303, 341, 441, 539, 651, 693, 707, 909, 1023, 1111, 1519, 1617, 1953, 2121, 2387, 3069, 3131, 3333, 4557, 4851, 4949, 6363, 7161, 7777, 9393, 9999, 13671, 14847, 16709, 21483, 21917, 23331, 28179, 34441, 44541, 50127, 54439, 65751, 69993, 103323, 150381, 153419, 163317, 197253, 241087, 309969, 460257, 489951, 723261, 1380771, 1687609, 2169783, 5062827, 15188481]

約数ペア:

[(1, 15188481), (3, 5062827), (7, 2169783), (9, 1687609), (11, 1380771), (21, 723261), (31, 489951), (33, 460257), (49, 309969), (63, 241087), (77, 197253), (93, 163317), (99, 153419), (101, 150381), (147, 103323), (217, 69993), (231, 65751), (279, 54439), (303, 50127), (341, 44541), (441, 34441), (539, 28179), (651, 23331), (693, 21917), (707, 21483), (909, 16709), (1023, 14847), (1111, 13671), (1519, 9999), (1617, 9393), (1953, 7777), (2121, 7161), (2387, 6363), (3069, 4949), (3131, 4851), (3333, 4557)]