201320553

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{653}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 314171136

約数和(自身を除く): 112850583

約数列:

[1, 3, 7, 21, 53, 159, 277, 371, 653, 831, 1113, 1939, 1959, 4571, 5817, 13713, 14681, 34609, 44043, 102767, 103827, 180881, 242263, 308301, 542643, 726789, 1266167, 3798501, 9586693, 28760079, 67106851, 201320553]

約数ペア:

[(1, 201320553), (3, 67106851), (7, 28760079), (21, 9586693), (53, 3798501), (159, 1266167), (277, 726789), (371, 542643), (653, 308301), (831, 242263), (1113, 180881), (1939, 103827), (1959, 102767), (4571, 44043), (5817, 34609), (13713, 14681)]