201891417813

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{638717}}^1$

素因数の和:639258

約数の個数: 32

約数和(自身を含む): 312716332800

約数和(自身を除く): 110824914987

約数列:

[1, 3, 9, 23, 27, 69, 207, 509, 621, 1527, 4581, 11707, 13743, 35121, 105363, 316089, 638717, 1916151, 5748453, 14690491, 17245359, 44071473, 132214419, 325106953, 396643257, 975320859, 2925962577, 7477459919, 8777887731, 22432379757, 67297139271, 201891417813]

約数ペア:

[(1, 201891417813), (3, 67297139271), (9, 22432379757), (23, 8777887731), (27, 7477459919), (69, 2925962577), (207, 975320859), (509, 396643257), (621, 325106953), (1527, 132214419), (4581, 44071473), (11707, 17245359), (13743, 14690491), (35121, 5748453), (105363, 1916151), (316089, 638717)]