201618525

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 344352960

約数和(自身を除く): 142734435

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 173, 205, 379, 519, 615, 865, 1025, 1137, 1895, 2595, 3075, 4325, 5685, 7093, 9475, 12975, 15539, 21279, 28425, 35465, 46617, 65567, 77695, 106395, 177325, 196701, 233085, 327835, 388475, 531975, 983505, 1165425, 1639175, 2688247, 4917525, 8064741, 13441235, 40323705, 67206175, 201618525]

約数ペア:

[(1, 201618525), (3, 67206175), (5, 40323705), (15, 13441235), (25, 8064741), (41, 4917525), (75, 2688247), (123, 1639175), (173, 1165425), (205, 983505), (379, 531975), (519, 388475), (615, 327835), (865, 233085), (1025, 196701), (1137, 177325), (1895, 106395), (2595, 77695), (3075, 65567), (4325, 46617), (5685, 35465), (7093, 28425), (9475, 21279), (12975, 15539)]