71225091

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 124883200

約数和(自身を除く): 53658109

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 157, 171, 379, 399, 471, 1099, 1137, 1197, 1413, 2653, 2983, 3297, 3411, 7201, 7959, 8949, 9891, 20881, 21603, 23877, 26847, 50407, 59503, 62643, 64809, 151221, 178509, 187929, 416521, 453663, 535527, 1130557, 1249563, 3391671, 3748689, 7913899, 10175013, 23741697, 71225091]

約数ペア:

[(1, 71225091), (3, 23741697), (7, 10175013), (9, 7913899), (19, 3748689), (21, 3391671), (57, 1249563), (63, 1130557), (133, 535527), (157, 453663), (171, 416521), (379, 187929), (399, 178509), (471, 151221), (1099, 64809), (1137, 62643), (1197, 59503), (1413, 50407), (2653, 26847), (2983, 23877), (3297, 21603), (3411, 20881), (7201, 9891), (7959, 8949)]