31195935

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 62099136

約数和(自身を除く): 30903201

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 81, 85, 115, 135, 153, 197, 207, 255, 345, 391, 405, 459, 591, 621, 765, 985, 1035, 1173, 1377, 1773, 1863, 1955, 2295, 2955, 3105, 3349, 3519, 4531, 5319, 5865, 6885, 8865, 9315, 10047, 10557, 13593, 15957, 16745, 17595, 22655, 26595, 30141, 31671, 40779, 50235, 52785, 67965, 77027, 79785, 90423, 122337, 150705, 158355, 203895, 231081, 271269, 367011, 385135, 452115, 611685, 693243, 1155405, 1356345, 1835055, 2079729, 3466215, 6239187, 10398645, 31195935]

約数ペア:

[(1, 31195935), (3, 10398645), (5, 6239187), (9, 3466215), (15, 2079729), (17, 1835055), (23, 1356345), (27, 1155405), (45, 693243), (51, 611685), (69, 452115), (81, 385135), (85, 367011), (115, 271269), (135, 231081), (153, 203895), (197, 158355), (207, 150705), (255, 122337), (345, 90423), (391, 79785), (405, 77027), (459, 67965), (591, 52785), (621, 50235), (765, 40779), (985, 31671), (1035, 30141), (1173, 26595), (1377, 22655), (1773, 17595), (1863, 16745), (1955, 15957), (2295, 13593), (2955, 10557), (3105, 10047), (3349, 9315), (3519, 8865), (4531, 6885), (5319, 5865)]