920778855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3011}}^1$

素因数の和:3104

約数の個数: 64

約数和(自身を含む): 1648166400

約数和(自身を除く): 727387545

約数列:

[1, 3, 5, 15, 19, 29, 37, 57, 87, 95, 111, 145, 185, 285, 435, 551, 555, 703, 1073, 1653, 2109, 2755, 3011, 3219, 3515, 5365, 8265, 9033, 10545, 15055, 16095, 20387, 45165, 57209, 61161, 87319, 101935, 111407, 171627, 261957, 286045, 305805, 334221, 436595, 557035, 858135, 1309785, 1659061, 1671105, 2116733, 3230803, 4977183, 6350199, 8295305, 9692409, 10583665, 16154015, 24885915, 31750995, 48462045, 61385257, 184155771, 306926285, 920778855]

約数ペア:

[(1, 920778855), (3, 306926285), (5, 184155771), (15, 61385257), (19, 48462045), (29, 31750995), (37, 24885915), (57, 16154015), (87, 10583665), (95, 9692409), (111, 8295305), (145, 6350199), (185, 4977183), (285, 3230803), (435, 2116733), (551, 1671105), (555, 1659061), (703, 1309785), (1073, 858135), (1653, 557035), (2109, 436595), (2755, 334221), (3011, 305805), (3219, 286045), (3515, 261957), (5365, 171627), (8265, 111407), (9033, 101935), (10545, 87319), (15055, 61161), (16095, 57209), (20387, 45165)]