655126905

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 1110412800

約数和(自身を除く): 455285895

約数列:

[1, 3, 5, 15, 41, 53, 101, 123, 159, 199, 205, 265, 303, 505, 597, 615, 795, 995, 1515, 2173, 2985, 4141, 5353, 6519, 8159, 10547, 10865, 12423, 16059, 20099, 20705, 24477, 26765, 31641, 32595, 40795, 52735, 60297, 62115, 80295, 100495, 122385, 158205, 219473, 301485, 432427, 658419, 824059, 1065247, 1097365, 1297281, 2162135, 2472177, 3195741, 3292095, 4120295, 5326235, 6486405, 12360885, 15978705, 43675127, 131025381, 218375635, 655126905]

約数ペア:

[(1, 655126905), (3, 218375635), (5, 131025381), (15, 43675127), (41, 15978705), (53, 12360885), (101, 6486405), (123, 5326235), (159, 4120295), (199, 3292095), (205, 3195741), (265, 2472177), (303, 2162135), (505, 1297281), (597, 1097365), (615, 1065247), (795, 824059), (995, 658419), (1515, 432427), (2173, 301485), (2985, 219473), (4141, 158205), (5353, 122385), (6519, 100495), (8159, 80295), (10547, 62115), (10865, 60297), (12423, 52735), (16059, 40795), (20099, 32595), (20705, 31641), (24477, 26765)]