28473885

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 58496256

約数和(自身を除く): 30022371

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 41, 45, 55, 61, 69, 99, 115, 123, 165, 183, 205, 207, 253, 305, 345, 369, 451, 495, 549, 615, 671, 759, 915, 943, 1035, 1265, 1353, 1403, 1845, 2013, 2255, 2277, 2501, 2745, 2829, 3355, 3795, 4059, 4209, 4715, 6039, 6765, 7015, 7503, 8487, 10065, 10373, 11385, 12505, 12627, 14145, 15433, 20295, 21045, 22509, 27511, 30195, 31119, 37515, 42435, 46299, 51865, 57523, 63135, 77165, 82533, 93357, 112545, 137555, 138897, 155595, 172569, 231495, 247599, 287615, 412665, 466785, 517707, 632753, 694485, 862845, 1237995, 1898259, 2588535, 3163765, 5694777, 9491295, 28473885]

約数ペア:

[(1, 28473885), (3, 9491295), (5, 5694777), (9, 3163765), (11, 2588535), (15, 1898259), (23, 1237995), (33, 862845), (41, 694485), (45, 632753), (55, 517707), (61, 466785), (69, 412665), (99, 287615), (115, 247599), (123, 231495), (165, 172569), (183, 155595), (205, 138897), (207, 137555), (253, 112545), (305, 93357), (345, 82533), (369, 77165), (451, 63135), (495, 57523), (549, 51865), (615, 46299), (671, 42435), (759, 37515), (915, 31119), (943, 30195), (1035, 27511), (1265, 22509), (1353, 21045), (1403, 20295), (1845, 15433), (2013, 14145), (2255, 12627), (2277, 12505), (2501, 11385), (2745, 10373), (2829, 10065), (3355, 8487), (3795, 7503), (4059, 7015), (4209, 6765), (4715, 6039)]