38855775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 76193040

約数和(自身を除く): 37337265

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 97, 105, 109, 147, 175, 245, 291, 327, 485, 525, 545, 679, 735, 763, 1225, 1455, 1635, 2037, 2289, 2425, 2725, 3395, 3675, 3815, 4753, 5341, 7275, 8175, 10185, 10573, 11445, 14259, 16023, 16975, 19075, 23765, 26705, 31719, 50925, 52865, 57225, 71295, 74011, 80115, 118825, 133525, 158595, 222033, 264325, 356475, 370055, 400575, 518077, 792975, 1110165, 1554231, 1850275, 2590385, 5550825, 7771155, 12951925, 38855775]

約数ペア:

[(1, 38855775), (3, 12951925), (5, 7771155), (7, 5550825), (15, 2590385), (21, 1850275), (25, 1554231), (35, 1110165), (49, 792975), (75, 518077), (97, 400575), (105, 370055), (109, 356475), (147, 264325), (175, 222033), (245, 158595), (291, 133525), (327, 118825), (485, 80115), (525, 74011), (545, 71295), (679, 57225), (735, 52865), (763, 50925), (1225, 31719), (1455, 26705), (1635, 23765), (2037, 19075), (2289, 16975), (2425, 16023), (2725, 14259), (3395, 11445), (3675, 10573), (3815, 10185), (4753, 8175), (5341, 7275)]