209174715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2153}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 387099648

約数和(自身を除く): 177924933

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 127, 153, 255, 381, 635, 765, 1143, 1905, 2153, 2159, 5715, 6459, 6477, 10765, 10795, 19377, 19431, 32295, 32385, 36601, 96885, 97155, 109803, 183005, 273431, 329409, 549015, 820293, 1367155, 1647045, 2460879, 4101465, 4648327, 12304395, 13944981, 23241635, 41834943, 69724905, 209174715]

約数ペア:

[(1, 209174715), (3, 69724905), (5, 41834943), (9, 23241635), (15, 13944981), (17, 12304395), (45, 4648327), (51, 4101465), (85, 2460879), (127, 1647045), (153, 1367155), (255, 820293), (381, 549015), (635, 329409), (765, 273431), (1143, 183005), (1905, 109803), (2153, 97155), (2159, 96885), (5715, 36601), (6459, 32385), (6477, 32295), (10765, 19431), (10795, 19377)]