201401955

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 363804480

約数和(自身を除く): 162402525

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 157, 261, 435, 471, 785, 983, 1305, 1413, 2355, 2949, 4553, 4915, 7065, 8847, 13659, 14745, 22765, 28507, 40977, 44235, 68295, 85521, 142535, 154331, 204885, 256563, 427605, 462993, 771655, 1282815, 1388979, 2314965, 4475599, 6944895, 13426797, 22377995, 40280391, 67133985, 201401955]

約数ペア:

[(1, 201401955), (3, 67133985), (5, 40280391), (9, 22377995), (15, 13426797), (29, 6944895), (45, 4475599), (87, 2314965), (145, 1388979), (157, 1282815), (261, 771655), (435, 462993), (471, 427605), (785, 256563), (983, 204885), (1305, 154331), (1413, 142535), (2355, 85521), (2949, 68295), (4553, 44235), (4915, 40977), (7065, 28507), (8847, 22765), (13659, 14745)]