168745275

素因数分解:

$3^6\times 5^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 84

約数和(自身を含む): 322024032

約数和(自身を除く): 153278757

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 135, 141, 197, 225, 235, 243, 405, 423, 591, 675, 705, 729, 985, 1175, 1215, 1269, 1773, 2025, 2115, 2955, 3525, 3645, 3807, 4925, 5319, 6075, 6345, 8865, 9259, 10575, 11421, 14775, 15957, 18225, 19035, 26595, 27777, 31725, 34263, 44325, 46295, 47871, 57105, 79785, 83331, 95175, 132975, 138885, 143613, 171315, 231475, 239355, 249993, 285525, 398925, 416655, 694425, 718065, 749979, 856575, 1196775, 1249965, 2083275, 2249937, 3590325, 3749895, 6249825, 6749811, 11249685, 18749475, 33749055, 56248425, 168745275]

約数ペア:

[(1, 168745275), (3, 56248425), (5, 33749055), (9, 18749475), (15, 11249685), (25, 6749811), (27, 6249825), (45, 3749895), (47, 3590325), (75, 2249937), (81, 2083275), (135, 1249965), (141, 1196775), (197, 856575), (225, 749979), (235, 718065), (243, 694425), (405, 416655), (423, 398925), (591, 285525), (675, 249993), (705, 239355), (729, 231475), (985, 171315), (1175, 143613), (1215, 138885), (1269, 132975), (1773, 95175), (2025, 83331), (2115, 79785), (2955, 57105), (3525, 47871), (3645, 46295), (3807, 44325), (4925, 34263), (5319, 31725), (6075, 27777), (6345, 26595), (8865, 19035), (9259, 18225), (10575, 15957), (11421, 14775)]