128250255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^3\times {\mathrm{41}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 248242176

約数和(自身を除く): 119991921

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 41, 93, 105, 123, 155, 205, 217, 287, 465, 615, 651, 861, 961, 1085, 1271, 1435, 2883, 3255, 3813, 4305, 4805, 6355, 6727, 8897, 14415, 19065, 20181, 26691, 29791, 33635, 39401, 44485, 89373, 100905, 118203, 133455, 148955, 197005, 208537, 275807, 446865, 591015, 625611, 827421, 1042685, 1221431, 1379035, 3128055, 3664293, 4137105, 6107155, 8550017, 18321465, 25650051, 42750085, 128250255]

約数ペア:

[(1, 128250255), (3, 42750085), (5, 25650051), (7, 18321465), (15, 8550017), (21, 6107155), (31, 4137105), (35, 3664293), (41, 3128055), (93, 1379035), (105, 1221431), (123, 1042685), (155, 827421), (205, 625611), (217, 591015), (287, 446865), (465, 275807), (615, 208537), (651, 197005), (861, 148955), (961, 133455), (1085, 118203), (1271, 100905), (1435, 89373), (2883, 44485), (3255, 39401), (3813, 33635), (4305, 29791), (4805, 26691), (6355, 20181), (6727, 19065), (8897, 14415)]