420655257

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4993}}^1$

素因数の和:5070

約数の個数: 48

約数和(自身を含む): 710506368

約数和(自身を除く): 289851111

約数列:

[1, 3, 9, 11, 23, 33, 37, 69, 99, 111, 207, 253, 333, 407, 759, 851, 1221, 2277, 2553, 3663, 4993, 7659, 9361, 14979, 28083, 44937, 54923, 84249, 114839, 164769, 184741, 344517, 494307, 554223, 1033551, 1263229, 1662669, 2032151, 3789687, 4249043, 6096453, 11369061, 12747129, 18289359, 38241387, 46739473, 140218419, 420655257]

約数ペア:

[(1, 420655257), (3, 140218419), (9, 46739473), (11, 38241387), (23, 18289359), (33, 12747129), (37, 11369061), (69, 6096453), (99, 4249043), (111, 3789687), (207, 2032151), (253, 1662669), (333, 1263229), (407, 1033551), (759, 554223), (851, 494307), (1221, 344517), (2277, 184741), (2553, 164769), (3663, 114839), (4993, 84249), (7659, 54923), (9361, 44937), (14979, 28083)]