315624195

素因数分解:

$3^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:815

約数の個数: 56

約数和(自身を含む): 573064272

約数和(自身を除く): 257440077

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 243, 393, 405, 655, 661, 729, 1179, 1215, 1965, 1983, 3305, 3537, 3645, 5895, 5949, 9915, 10611, 17685, 17847, 29745, 31833, 53055, 53541, 86591, 89235, 95499, 159165, 160623, 259773, 267705, 432955, 477495, 481869, 779319, 803115, 1298865, 2337957, 2409345, 3896595, 7013871, 11689785, 21041613, 35069355, 63124839, 105208065, 315624195]

約数ペア:

[(1, 315624195), (3, 105208065), (5, 63124839), (9, 35069355), (15, 21041613), (27, 11689785), (45, 7013871), (81, 3896595), (131, 2409345), (135, 2337957), (243, 1298865), (393, 803115), (405, 779319), (655, 481869), (661, 477495), (729, 432955), (1179, 267705), (1215, 259773), (1965, 160623), (1983, 159165), (3305, 95499), (3537, 89235), (3645, 86591), (5895, 53541), (5949, 53055), (9915, 31833), (10611, 29745), (17685, 17847)]