893691885

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{19973}}^1$

素因数の和:20157

約数の個数: 32

約数和(自身を含む): 1514828160

約数和(自身を除く): 621136275

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 285, 471, 785, 2355, 2983, 8949, 14915, 19973, 44745, 59919, 99865, 299595, 379487, 1138461, 1897435, 3135761, 5692305, 9407283, 15678805, 47036415, 59579459, 178738377, 297897295, 893691885]

約数ペア:

[(1, 893691885), (3, 297897295), (5, 178738377), (15, 59579459), (19, 47036415), (57, 15678805), (95, 9407283), (157, 5692305), (285, 3135761), (471, 1897435), (785, 1138461), (2355, 379487), (2983, 299595), (8949, 99865), (14915, 59919), (19973, 44745)]