155993985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{431}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 318504960

約数和(自身を除く): 162510975

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 383, 431, 945, 1149, 1293, 1915, 2155, 2681, 3017, 3447, 3879, 5745, 6465, 8043, 9051, 10341, 11637, 13405, 15085, 17235, 19395, 24129, 27153, 40215, 45255, 51705, 58185, 72387, 81459, 120645, 135765, 165073, 361935, 407295, 495219, 825365, 1155511, 1485657, 2476095, 3466533, 4456971, 5777555, 7428285, 10399599, 17332665, 22284855, 31198797, 51997995, 155993985]

約数ペア:

[(1, 155993985), (3, 51997995), (5, 31198797), (7, 22284855), (9, 17332665), (15, 10399599), (21, 7428285), (27, 5777555), (35, 4456971), (45, 3466533), (63, 2476095), (105, 1485657), (135, 1155511), (189, 825365), (315, 495219), (383, 407295), (431, 361935), (945, 165073), (1149, 135765), (1293, 120645), (1915, 81459), (2155, 72387), (2681, 58185), (3017, 51705), (3447, 45255), (3879, 40215), (5745, 27153), (6465, 24129), (8043, 19395), (9051, 17235), (10341, 15085), (11637, 13405)]