1922891805

素因数分解:

$3^5\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1597}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 3462111744

約数和(自身を除く): 1539219939

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 991, 1215, 1597, 2973, 4791, 4955, 7985, 8919, 14373, 14865, 23955, 26757, 43119, 44595, 71865, 80271, 129357, 133785, 215595, 240813, 388071, 401355, 646785, 1204065, 1582627, 1940355, 4747881, 7913135, 14243643, 23739405, 42730929, 71218215, 128192787, 213654645, 384578361, 640963935, 1922891805]

約数ペア:

[(1, 1922891805), (3, 640963935), (5, 384578361), (9, 213654645), (15, 128192787), (27, 71218215), (45, 42730929), (81, 23739405), (135, 14243643), (243, 7913135), (405, 4747881), (991, 1940355), (1215, 1582627), (1597, 1204065), (2973, 646785), (4791, 401355), (4955, 388071), (7985, 240813), (8919, 215595), (14373, 133785), (14865, 129357), (23955, 80271), (26757, 71865), (43119, 44595)]