9780781605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{10613}}^1$

素因数の和:10826

約数の個数: 64

約数和(自身を含む): 18292082688

約数和(自身を除く): 8511301083

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 131, 201, 335, 393, 469, 655, 917, 1005, 1407, 1965, 2345, 2751, 4585, 7035, 8777, 10613, 13755, 26331, 31839, 43885, 53065, 61439, 74291, 131655, 159195, 184317, 222873, 307195, 371455, 711071, 921585, 1114365, 1390303, 2133213, 3555355, 4170909, 4977497, 6951515, 9732121, 10666065, 14932491, 20854545, 24887485, 29196363, 48660605, 74662455, 93150301, 145981815, 279450903, 465751505, 652052107, 1397254515, 1956156321, 3260260535, 9780781605]

約数ペア:

[(1, 9780781605), (3, 3260260535), (5, 1956156321), (7, 1397254515), (15, 652052107), (21, 465751505), (35, 279450903), (67, 145981815), (105, 93150301), (131, 74662455), (201, 48660605), (335, 29196363), (393, 24887485), (469, 20854545), (655, 14932491), (917, 10666065), (1005, 9732121), (1407, 6951515), (1965, 4977497), (2345, 4170909), (2751, 3555355), (4585, 2133213), (7035, 1390303), (8777, 1114365), (10613, 921585), (13755, 711071), (26331, 371455), (31839, 307195), (43885, 222873), (53065, 184317), (61439, 159195), (74291, 131655)]