1975995

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 80

約数和(自身を含む): 4390848

約数和(自身を除く): 2414853

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 41, 45, 51, 63, 81, 85, 105, 119, 123, 135, 153, 189, 205, 255, 287, 315, 357, 369, 405, 459, 567, 595, 615, 697, 765, 861, 945, 1071, 1107, 1377, 1435, 1785, 1845, 2091, 2295, 2583, 2835, 3213, 3321, 3485, 4305, 4879, 5355, 5535, 6273, 6885, 7749, 9639, 10455, 12915, 14637, 16065, 16605, 18819, 23247, 24395, 31365, 38745, 43911, 48195, 56457, 73185, 94095, 116235, 131733, 219555, 282285, 395199, 658665, 1975995]

約数ペア:

[(1, 1975995), (3, 658665), (5, 395199), (7, 282285), (9, 219555), (15, 131733), (17, 116235), (21, 94095), (27, 73185), (35, 56457), (41, 48195), (45, 43911), (51, 38745), (63, 31365), (81, 24395), (85, 23247), (105, 18819), (119, 16605), (123, 16065), (135, 14637), (153, 12915), (189, 10455), (205, 9639), (255, 7749), (287, 6885), (315, 6273), (357, 5535), (369, 5355), (405, 4879), (459, 4305), (567, 3485), (595, 3321), (615, 3213), (697, 2835), (765, 2583), (861, 2295), (945, 2091), (1071, 1845), (1107, 1785), (1377, 1435)]