64903905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 132387840

約数和(自身を除く): 67483935

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 67, 95, 99, 103, 165, 171, 201, 209, 285, 309, 335, 495, 515, 603, 627, 737, 855, 927, 1005, 1045, 1133, 1273, 1545, 1881, 1957, 2211, 3015, 3135, 3399, 3685, 3819, 4635, 5665, 5871, 6365, 6633, 6901, 9405, 9785, 10197, 11055, 11457, 14003, 16995, 17613, 19095, 20703, 21527, 29355, 33165, 34505, 42009, 50985, 57285, 62109, 64581, 70015, 75911, 88065, 103515, 107635, 126027, 131119, 193743, 210045, 227733, 310545, 322905, 379555, 393357, 630135, 655595, 683199, 968715, 1138665, 1180071, 1442309, 1966785, 3415995, 4326927, 5900355, 7211545, 12980781, 21634635, 64903905]

約数ペア:

[(1, 64903905), (3, 21634635), (5, 12980781), (9, 7211545), (11, 5900355), (15, 4326927), (19, 3415995), (33, 1966785), (45, 1442309), (55, 1180071), (57, 1138665), (67, 968715), (95, 683199), (99, 655595), (103, 630135), (165, 393357), (171, 379555), (201, 322905), (209, 310545), (285, 227733), (309, 210045), (335, 193743), (495, 131119), (515, 126027), (603, 107635), (627, 103515), (737, 88065), (855, 75911), (927, 70015), (1005, 64581), (1045, 62109), (1133, 57285), (1273, 50985), (1545, 42009), (1881, 34505), (1957, 33165), (2211, 29355), (3015, 21527), (3135, 20703), (3399, 19095), (3685, 17613), (3819, 16995), (4635, 14003), (5665, 11457), (5871, 11055), (6365, 10197), (6633, 9785), (6901, 9405)]