281261565

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17807}}^1$

素因数の和:17840

約数の個数: 48

約数和(自身を含む): 544497408

約数和(自身を除く): 263235843

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1755, 3159, 5265, 15795, 17807, 53421, 89035, 160263, 231491, 267105, 480789, 694473, 801315, 1157455, 1442367, 2083419, 2403945, 3472365, 4327101, 6250257, 7211835, 10417095, 18750771, 21635505, 31251285, 56252313, 93753855, 281261565]

約数ペア:

[(1, 281261565), (3, 93753855), (5, 56252313), (9, 31251285), (13, 21635505), (15, 18750771), (27, 10417095), (39, 7211835), (45, 6250257), (65, 4327101), (81, 3472365), (117, 2403945), (135, 2083419), (195, 1442367), (243, 1157455), (351, 801315), (405, 694473), (585, 480789), (1053, 267105), (1215, 231491), (1755, 160263), (3159, 89035), (5265, 53421), (15795, 17807)]