42530775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 83458944

約数和(自身を除く): 40928169

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 71, 75, 105, 147, 163, 175, 213, 245, 355, 489, 497, 525, 735, 815, 1065, 1141, 1225, 1491, 1775, 2445, 2485, 3423, 3479, 3675, 4075, 5325, 5705, 7455, 7987, 10437, 11573, 12225, 12425, 17115, 17395, 23961, 28525, 34719, 37275, 39935, 52185, 57865, 81011, 85575, 86975, 119805, 173595, 199675, 243033, 260925, 289325, 405055, 567077, 599025, 867975, 1215165, 1701231, 2025275, 2835385, 6075825, 8506155, 14176925, 42530775]

約数ペア:

[(1, 42530775), (3, 14176925), (5, 8506155), (7, 6075825), (15, 2835385), (21, 2025275), (25, 1701231), (35, 1215165), (49, 867975), (71, 599025), (75, 567077), (105, 405055), (147, 289325), (163, 260925), (175, 243033), (213, 199675), (245, 173595), (355, 119805), (489, 86975), (497, 85575), (525, 81011), (735, 57865), (815, 52185), (1065, 39935), (1141, 37275), (1225, 34719), (1491, 28525), (1775, 23961), (2445, 17395), (2485, 17115), (3423, 12425), (3479, 12225), (3675, 11573), (4075, 10437), (5325, 7987), (5705, 7455)]