219921675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 385570560

約数和(自身を除く): 165648885

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 157, 285, 471, 475, 785, 983, 1425, 2355, 2949, 2983, 3925, 4915, 8949, 11775, 14745, 14915, 18677, 24575, 44745, 56031, 73725, 74575, 93385, 154331, 223725, 280155, 462993, 466925, 771655, 1400775, 2314965, 2932289, 3858275, 8796867, 11574825, 14661445, 43984335, 73307225, 219921675]

約数ペア:

[(1, 219921675), (3, 73307225), (5, 43984335), (15, 14661445), (19, 11574825), (25, 8796867), (57, 3858275), (75, 2932289), (95, 2314965), (157, 1400775), (285, 771655), (471, 466925), (475, 462993), (785, 280155), (983, 223725), (1425, 154331), (2355, 93385), (2949, 74575), (2983, 73725), (3925, 56031), (4915, 44745), (8949, 24575), (11775, 18677), (14745, 14915)]