281835225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1409}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 581867520

約数和(自身を除く): 300032295

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 127, 175, 225, 315, 381, 525, 635, 889, 1143, 1409, 1575, 1905, 2667, 3175, 4227, 4445, 5715, 7045, 8001, 9525, 9863, 12681, 13335, 21135, 22225, 28575, 29589, 35225, 40005, 49315, 63405, 66675, 88767, 105675, 147945, 178943, 200025, 246575, 317025, 443835, 536829, 739725, 894715, 1252601, 1610487, 2219175, 2684145, 3757803, 4473575, 6263005, 8052435, 11273409, 13420725, 18789015, 31315025, 40262175, 56367045, 93945075, 281835225]

約数ペア:

[(1, 281835225), (3, 93945075), (5, 56367045), (7, 40262175), (9, 31315025), (15, 18789015), (21, 13420725), (25, 11273409), (35, 8052435), (45, 6263005), (63, 4473575), (75, 3757803), (105, 2684145), (127, 2219175), (175, 1610487), (225, 1252601), (315, 894715), (381, 739725), (525, 536829), (635, 443835), (889, 317025), (1143, 246575), (1409, 200025), (1575, 178943), (1905, 147945), (2667, 105675), (3175, 88767), (4227, 66675), (4445, 63405), (5715, 49315), (7045, 40005), (8001, 35225), (9525, 29589), (9863, 28575), (12681, 22225), (13335, 21135)]