211701315

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1841

約数の個数: 64

約数和(自身を含む): 412416000

約数和(自身を除く): 200714685

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 343, 345, 483, 735, 805, 1029, 1127, 1715, 1789, 2415, 3381, 5145, 5367, 5635, 7889, 8945, 12523, 16905, 23667, 26835, 37569, 39445, 41147, 62615, 87661, 118335, 123441, 187845, 205735, 262983, 288029, 438305, 613627, 617205, 864087, 1314915, 1440145, 1840881, 2016203, 3068135, 4320435, 6048609, 9204405, 10081015, 14113421, 30243045, 42340263, 70567105, 211701315]

約数ペア:

[(1, 211701315), (3, 70567105), (5, 42340263), (7, 30243045), (15, 14113421), (21, 10081015), (23, 9204405), (35, 6048609), (49, 4320435), (69, 3068135), (105, 2016203), (115, 1840881), (147, 1440145), (161, 1314915), (245, 864087), (343, 617205), (345, 613627), (483, 438305), (735, 288029), (805, 262983), (1029, 205735), (1127, 187845), (1715, 123441), (1789, 118335), (2415, 87661), (3381, 62615), (5145, 41147), (5367, 39445), (5635, 37569), (7889, 26835), (8945, 23667), (12523, 16905)]