71312535

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 160911360

約数和(自身を除く): 89598825

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 23, 27, 35, 45, 51, 63, 69, 85, 105, 115, 119, 135, 153, 161, 189, 193, 207, 255, 315, 345, 357, 391, 459, 483, 579, 595, 621, 765, 805, 945, 965, 1035, 1071, 1173, 1351, 1449, 1737, 1785, 1955, 2295, 2415, 2737, 2895, 3105, 3213, 3281, 3519, 4053, 4347, 4439, 5211, 5355, 5865, 6755, 7245, 8211, 8685, 9843, 10557, 12159, 13317, 13685, 16065, 16405, 17595, 20265, 21735, 22195, 22967, 24633, 26055, 29529, 31073, 36477, 39951, 41055, 49215, 52785, 60795, 66585, 68901, 73899, 75463, 88587, 93219, 114835, 119853, 123165, 147645, 155365, 182385, 199755, 206703, 226389, 279657, 344505, 369495, 377315, 442935, 466095, 528241, 599265, 620109, 679167, 838971, 1033515, 1131945, 1398285, 1584723, 2037501, 2641205, 3100545, 3395835, 4194855, 4754169, 7923615, 10187505, 14262507, 23770845, 71312535]

約数ペア:

[(1, 71312535), (3, 23770845), (5, 14262507), (7, 10187505), (9, 7923615), (15, 4754169), (17, 4194855), (21, 3395835), (23, 3100545), (27, 2641205), (35, 2037501), (45, 1584723), (51, 1398285), (63, 1131945), (69, 1033515), (85, 838971), (105, 679167), (115, 620109), (119, 599265), (135, 528241), (153, 466095), (161, 442935), (189, 377315), (193, 369495), (207, 344505), (255, 279657), (315, 226389), (345, 206703), (357, 199755), (391, 182385), (459, 155365), (483, 147645), (579, 123165), (595, 119853), (621, 114835), (765, 93219), (805, 88587), (945, 75463), (965, 73899), (1035, 68901), (1071, 66585), (1173, 60795), (1351, 52785), (1449, 49215), (1737, 41055), (1785, 39951), (1955, 36477), (2295, 31073), (2415, 29529), (2737, 26055), (2895, 24633), (3105, 22967), (3213, 22195), (3281, 21735), (3519, 20265), (4053, 17595), (4347, 16405), (4439, 16065), (5211, 13685), (5355, 13317), (5865, 12159), (6755, 10557), (7245, 9843), (8211, 8685)]