668168595

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:344

約数の個数: 112

約数和(自身を含む): 1308871872

約数和(自身を除く): 640703277

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 81, 85, 123, 135, 153, 205, 243, 255, 263, 369, 405, 459, 615, 697, 729, 765, 789, 1107, 1215, 1315, 1377, 1845, 2091, 2295, 2367, 3321, 3485, 3645, 3945, 4131, 4471, 5535, 6273, 6885, 7101, 9963, 10455, 10783, 11835, 12393, 13413, 16605, 18819, 20655, 21303, 22355, 29889, 31365, 32349, 35505, 40239, 49815, 53915, 56457, 61965, 63909, 67065, 94095, 97047, 106515, 120717, 149445, 161745, 169371, 183311, 191727, 201195, 282285, 291141, 319545, 362151, 485235, 508113, 549933, 603585, 846855, 873423, 916555, 958635, 1086453, 1455705, 1649799, 1810755, 2540565, 2620269, 2749665, 3259359, 4367115, 4949397, 5432265, 7860807, 8248995, 13101345, 14848191, 16296795, 24746985, 39304035, 44544573, 74240955, 133633719, 222722865, 668168595]

約数ペア:

[(1, 668168595), (3, 222722865), (5, 133633719), (9, 74240955), (15, 44544573), (17, 39304035), (27, 24746985), (41, 16296795), (45, 14848191), (51, 13101345), (81, 8248995), (85, 7860807), (123, 5432265), (135, 4949397), (153, 4367115), (205, 3259359), (243, 2749665), (255, 2620269), (263, 2540565), (369, 1810755), (405, 1649799), (459, 1455705), (615, 1086453), (697, 958635), (729, 916555), (765, 873423), (789, 846855), (1107, 603585), (1215, 549933), (1315, 508113), (1377, 485235), (1845, 362151), (2091, 319545), (2295, 291141), (2367, 282285), (3321, 201195), (3485, 191727), (3645, 183311), (3945, 169371), (4131, 161745), (4471, 149445), (5535, 120717), (6273, 106515), (6885, 97047), (7101, 94095), (9963, 67065), (10455, 63909), (10783, 61965), (11835, 56457), (12393, 53915), (13413, 49815), (16605, 40239), (18819, 35505), (20655, 32349), (21303, 31365), (22355, 29889)]