856387455

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1451}}^1$

素因数の和:1557

約数の個数: 96

約数和(自身を含む): 1763866368

約数和(自身を除く): 907478913

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 73, 77, 105, 147, 165, 219, 231, 245, 365, 385, 511, 539, 735, 803, 1095, 1155, 1451, 1533, 1617, 2409, 2555, 2695, 3577, 4015, 4353, 5621, 7255, 7665, 8085, 10157, 10731, 12045, 15961, 16863, 17885, 21765, 28105, 30471, 39347, 47883, 50785, 53655, 71099, 79805, 84315, 105923, 111727, 118041, 152355, 196735, 213297, 239415, 317769, 335181, 355495, 529615, 558635, 590205, 741461, 782089, 1066485, 1165153, 1588845, 1675905, 2224383, 2346267, 3495459, 3707305, 3910445, 5190227, 5825765, 8156071, 11121915, 11731335, 15570681, 17477295, 24468213, 25951135, 40780355, 57092497, 77853405, 122341065, 171277491, 285462485, 856387455]

約数ペア:

[(1, 856387455), (3, 285462485), (5, 171277491), (7, 122341065), (11, 77853405), (15, 57092497), (21, 40780355), (33, 25951135), (35, 24468213), (49, 17477295), (55, 15570681), (73, 11731335), (77, 11121915), (105, 8156071), (147, 5825765), (165, 5190227), (219, 3910445), (231, 3707305), (245, 3495459), (365, 2346267), (385, 2224383), (511, 1675905), (539, 1588845), (735, 1165153), (803, 1066485), (1095, 782089), (1155, 741461), (1451, 590205), (1533, 558635), (1617, 529615), (2409, 355495), (2555, 335181), (2695, 317769), (3577, 239415), (4015, 213297), (4353, 196735), (5621, 152355), (7255, 118041), (7665, 111727), (8085, 105923), (10157, 84315), (10731, 79805), (12045, 71099), (15961, 53655), (16863, 50785), (17885, 47883), (21765, 39347), (28105, 30471)]