205331321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 254166528

約数和(自身を除く): 48835207

約数列:

[1, 13, 17, 31, 41, 43, 221, 289, 403, 527, 533, 559, 697, 731, 1271, 1333, 1763, 3757, 6851, 8959, 9061, 9503, 11849, 12427, 16523, 17329, 21607, 22661, 22919, 29971, 54653, 116467, 154037, 161551, 280891, 294593, 367319, 385237, 389623, 509507, 710489, 929101, 4775147, 5008081, 6623591, 12078313, 15794717, 205331321]

約数ペア:

[(1, 205331321), (13, 15794717), (17, 12078313), (31, 6623591), (41, 5008081), (43, 4775147), (221, 929101), (289, 710489), (403, 509507), (527, 389623), (533, 385237), (559, 367319), (697, 294593), (731, 280891), (1271, 161551), (1333, 154037), (1763, 116467), (3757, 54653), (6851, 29971), (8959, 22919), (9061, 22661), (9503, 21607), (11849, 17329), (12427, 16523)]