128828301

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 207662400

約数和(自身を除く): 78834099

約数列:

[1, 3, 7, 21, 43, 49, 89, 129, 147, 229, 267, 301, 623, 687, 903, 1603, 1869, 2107, 3827, 4361, 4809, 6321, 9847, 11221, 11481, 13083, 20381, 26789, 29541, 33663, 61143, 68929, 80367, 142667, 187523, 206787, 428001, 482503, 562569, 876383, 998669, 1447509, 2629149, 2996007, 6134681, 18404043, 42942767, 128828301]

約数ペア:

[(1, 128828301), (3, 42942767), (7, 18404043), (21, 6134681), (43, 2996007), (49, 2629149), (89, 1447509), (129, 998669), (147, 876383), (229, 562569), (267, 482503), (301, 428001), (623, 206787), (687, 187523), (903, 142667), (1603, 80367), (1869, 68929), (2107, 61143), (3827, 33663), (4361, 29541), (4809, 26789), (6321, 20381), (9847, 13083), (11221, 11481)]