289202385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{12743}}^1$

素因数の和:12857

約数の個数: 32

約数和(自身を含む): 495486720

約数和(自身を除く): 206284335

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1335, 1513, 4539, 7565, 12743, 22695, 38229, 63715, 191145, 216631, 649893, 1083155, 1134127, 3249465, 3402381, 5670635, 17011905, 19280159, 57840477, 96400795, 289202385]

約数ペア:

[(1, 289202385), (3, 96400795), (5, 57840477), (15, 19280159), (17, 17011905), (51, 5670635), (85, 3402381), (89, 3249465), (255, 1134127), (267, 1083155), (445, 649893), (1335, 216631), (1513, 191145), (4539, 63715), (7565, 38229), (12743, 22695)]