291249063

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 491545600

約数和(自身を除く): 200296537

約数列:

[1, 3, 7, 9, 21, 63, 79, 139, 237, 417, 421, 553, 711, 973, 1251, 1263, 1659, 2919, 2947, 3789, 4977, 8757, 8841, 10981, 26523, 32943, 33259, 58519, 76867, 98829, 99777, 175557, 230601, 232813, 299331, 409633, 526671, 691803, 698439, 1228899, 2095317, 3686697, 4623001, 13869003, 32361007, 41607009, 97083021, 291249063]

約数ペア:

[(1, 291249063), (3, 97083021), (7, 41607009), (9, 32361007), (21, 13869003), (63, 4623001), (79, 3686697), (139, 2095317), (237, 1228899), (417, 698439), (421, 691803), (553, 526671), (711, 409633), (973, 299331), (1251, 232813), (1263, 230601), (1659, 175557), (2919, 99777), (2947, 98829), (3789, 76867), (4977, 58519), (8757, 33259), (8841, 32943), (10981, 26523)]