172374237

素因数分解:

$3^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2029

約数の個数: 56

約数和(自身を含む): 312895296

約数和(自身を除く): 140521059

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 243, 357, 459, 567, 729, 1071, 1377, 1701, 1987, 3213, 4131, 5103, 5961, 9639, 12393, 13909, 17883, 28917, 33779, 41727, 53649, 86751, 101337, 125181, 160947, 236453, 304011, 375543, 482841, 709359, 912033, 1126629, 1448523, 2128077, 2736099, 3379887, 6384231, 8208297, 10139661, 19152693, 24624891, 57458079, 172374237]

約数ペア:

[(1, 172374237), (3, 57458079), (7, 24624891), (9, 19152693), (17, 10139661), (21, 8208297), (27, 6384231), (51, 3379887), (63, 2736099), (81, 2128077), (119, 1448523), (153, 1126629), (189, 912033), (243, 709359), (357, 482841), (459, 375543), (567, 304011), (729, 236453), (1071, 160947), (1377, 125181), (1701, 101337), (1987, 86751), (3213, 53649), (4131, 41727), (5103, 33779), (5961, 28917), (9639, 17883), (12393, 13909)]