279981273

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7333}}^1$

素因数の和:7449

約数の個数: 32

約数和(自身を含む): 443560320

約数和(自身を除く): 163579047

約数列:

[1, 3, 11, 13, 33, 39, 89, 143, 267, 429, 979, 1157, 2937, 3471, 7333, 12727, 21999, 38181, 80663, 95329, 241989, 285987, 652637, 1048619, 1957911, 3145857, 7179007, 8484281, 21537021, 25452843, 93327091, 279981273]

約数ペア:

[(1, 279981273), (3, 93327091), (11, 25452843), (13, 21537021), (33, 8484281), (39, 7179007), (89, 3145857), (143, 1957911), (267, 1048619), (429, 652637), (979, 285987), (1157, 241989), (2937, 95329), (3471, 80663), (7333, 38181), (12727, 21999)]