2017128855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{53}}^2\times {\mathrm{977}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 3830419152

約数和(自身を除く): 1813290297

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 105, 147, 159, 245, 265, 371, 735, 795, 977, 1113, 1855, 2597, 2809, 2931, 4885, 5565, 6839, 7791, 8427, 12985, 14045, 14655, 19663, 20517, 34195, 38955, 42135, 47873, 51781, 58989, 98315, 102585, 137641, 143619, 155343, 239365, 258905, 294945, 362467, 412923, 688205, 718095, 776715, 1087401, 1812335, 2064615, 2537269, 2744393, 5437005, 7611807, 8233179, 12686345, 13721965, 19210751, 38059035, 41165895, 57632253, 96053755, 134475257, 288161265, 403425771, 672376285, 2017128855]

約数ペア:

[(1, 2017128855), (3, 672376285), (5, 403425771), (7, 288161265), (15, 134475257), (21, 96053755), (35, 57632253), (49, 41165895), (53, 38059035), (105, 19210751), (147, 13721965), (159, 12686345), (245, 8233179), (265, 7611807), (371, 5437005), (735, 2744393), (795, 2537269), (977, 2064615), (1113, 1812335), (1855, 1087401), (2597, 776715), (2809, 718095), (2931, 688205), (4885, 412923), (5565, 362467), (6839, 294945), (7791, 258905), (8427, 239365), (12985, 155343), (14045, 143619), (14655, 137641), (19663, 102585), (20517, 98315), (34195, 58989), (38955, 51781), (42135, 47873)]