277305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 537600

約数和(自身を除く): 260295

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 139, 285, 399, 417, 665, 695, 973, 1995, 2085, 2641, 2919, 4865, 7923, 13205, 14595, 18487, 39615, 55461, 92435, 277305]

約数ペア:

[(1, 277305), (3, 92435), (5, 55461), (7, 39615), (15, 18487), (19, 14595), (21, 13205), (35, 7923), (57, 4865), (95, 2919), (105, 2641), (133, 2085), (139, 1995), (285, 973), (399, 695), (417, 665)]