15565641

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 27783168

約数和(自身を除く): 12217527

約数列:

[1, 3, 7, 13, 21, 23, 37, 39, 67, 69, 91, 111, 161, 201, 259, 273, 299, 469, 481, 483, 777, 851, 871, 897, 1407, 1443, 1541, 2093, 2479, 2553, 2613, 3367, 4623, 5957, 6097, 6279, 7437, 10101, 10787, 11063, 17353, 17871, 18291, 20033, 32227, 32361, 33189, 52059, 57017, 60099, 77441, 96681, 140231, 171051, 225589, 232323, 399119, 420693, 676767, 741221, 1197357, 2223663, 5188547, 15565641]

約数ペア:

[(1, 15565641), (3, 5188547), (7, 2223663), (13, 1197357), (21, 741221), (23, 676767), (37, 420693), (39, 399119), (67, 232323), (69, 225589), (91, 171051), (111, 140231), (161, 96681), (201, 77441), (259, 60099), (273, 57017), (299, 52059), (469, 33189), (481, 32361), (483, 32227), (777, 20033), (851, 18291), (871, 17871), (897, 17353), (1407, 11063), (1443, 10787), (1541, 10101), (2093, 7437), (2479, 6279), (2553, 6097), (2613, 5957), (3367, 4623)]