205015965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1442

約数の個数: 64

約数和(自身を含む): 412231680

約数和(自身を除く): 207215715

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 139, 165, 231, 385, 417, 695, 973, 1155, 1277, 1529, 2085, 2919, 3831, 4587, 4865, 6385, 7645, 8939, 10703, 14047, 14595, 19155, 22935, 26817, 32109, 42141, 44695, 53515, 70235, 98329, 134085, 160545, 177503, 210705, 294987, 491645, 532509, 887515, 1242521, 1474935, 1952533, 2662545, 3727563, 5857599, 6212605, 9762665, 13667731, 18637815, 29287995, 41003193, 68338655, 205015965]

約数ペア:

[(1, 205015965), (3, 68338655), (5, 41003193), (7, 29287995), (11, 18637815), (15, 13667731), (21, 9762665), (33, 6212605), (35, 5857599), (55, 3727563), (77, 2662545), (105, 1952533), (139, 1474935), (165, 1242521), (231, 887515), (385, 532509), (417, 491645), (695, 294987), (973, 210705), (1155, 177503), (1277, 160545), (1529, 134085), (2085, 98329), (2919, 70235), (3831, 53515), (4587, 44695), (4865, 42141), (6385, 32109), (7645, 26817), (8939, 22935), (10703, 19155), (14047, 14595)]