217764183

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 371302400

約数和(自身を除く): 153538217

約数列:

[1, 3, 7, 13, 21, 39, 49, 73, 91, 147, 219, 223, 273, 343, 511, 637, 669, 949, 1029, 1533, 1561, 1911, 2847, 2899, 3577, 4459, 4683, 6643, 8697, 10731, 10927, 13377, 16279, 19929, 20293, 25039, 32781, 46501, 48837, 60879, 75117, 76489, 113953, 139503, 142051, 211627, 229467, 325507, 341859, 426153, 634881, 797671, 976521, 994357, 1481389, 2393013, 2983071, 4444167, 5583697, 10369723, 16751091, 31109169, 72588061, 217764183]

約数ペア:

[(1, 217764183), (3, 72588061), (7, 31109169), (13, 16751091), (21, 10369723), (39, 5583697), (49, 4444167), (73, 2983071), (91, 2393013), (147, 1481389), (219, 994357), (223, 976521), (273, 797671), (343, 634881), (511, 426153), (637, 341859), (669, 325507), (949, 229467), (1029, 211627), (1533, 142051), (1561, 139503), (1911, 113953), (2847, 76489), (2899, 75117), (3577, 60879), (4459, 48837), (4683, 46501), (6643, 32781), (8697, 25039), (10731, 20293), (10927, 19929), (13377, 16279)]