255354015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127997}}^1$

素因数の和:128031

約数の個数: 32

約数和(自身を含む): 491512320

約数和(自身を除く): 236158305

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 127997, 383991, 639985, 895979, 1919955, 2431943, 2687937, 4479895, 7295829, 12159715, 13439685, 17023601, 36479145, 51070803, 85118005, 255354015]

約数ペア:

[(1, 255354015), (3, 85118005), (5, 51070803), (7, 36479145), (15, 17023601), (19, 13439685), (21, 12159715), (35, 7295829), (57, 4479895), (95, 2687937), (105, 2431943), (133, 1919955), (285, 895979), (399, 639985), (665, 383991), (1995, 127997)]