187989417

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 112

約数和(自身を含む): 373963392

約数和(自身を除く): 185973975

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 51, 63, 77, 81, 99, 119, 153, 187, 189, 197, 231, 243, 297, 357, 459, 561, 567, 591, 693, 729, 891, 1071, 1309, 1377, 1379, 1683, 1701, 1773, 2079, 2167, 2673, 3213, 3349, 3927, 4131, 4137, 5049, 5103, 5319, 6237, 6501, 8019, 9639, 10047, 11781, 12393, 12411, 15147, 15169, 15957, 18711, 19503, 23443, 28917, 30141, 35343, 36839, 37233, 45441, 45507, 47871, 56133, 58509, 70329, 86751, 90423, 106029, 110517, 111699, 136323, 136521, 143613, 175527, 210987, 257873, 271269, 318087, 331551, 335097, 409563, 526581, 632961, 773619, 813807, 954261, 994653, 1005291, 1228689, 1579743, 1898883, 2320857, 2441421, 2983959, 3686067, 5696649, 6962571, 8951877, 11058201, 17089947, 20887713, 26855631, 62663139, 187989417]

約数ペア:

[(1, 187989417), (3, 62663139), (7, 26855631), (9, 20887713), (11, 17089947), (17, 11058201), (21, 8951877), (27, 6962571), (33, 5696649), (51, 3686067), (63, 2983959), (77, 2441421), (81, 2320857), (99, 1898883), (119, 1579743), (153, 1228689), (187, 1005291), (189, 994653), (197, 954261), (231, 813807), (243, 773619), (297, 632961), (357, 526581), (459, 409563), (561, 335097), (567, 331551), (591, 318087), (693, 271269), (729, 257873), (891, 210987), (1071, 175527), (1309, 143613), (1377, 136521), (1379, 136323), (1683, 111699), (1701, 110517), (1773, 106029), (2079, 90423), (2167, 86751), (2673, 70329), (3213, 58509), (3349, 56133), (3927, 47871), (4131, 45507), (4137, 45441), (5049, 37233), (5103, 36839), (5319, 35343), (6237, 30141), (6501, 28917), (8019, 23443), (9639, 19503), (10047, 18711), (11781, 15957), (12393, 15169), (12411, 15147)]