203413509

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 328333824

約数和(自身を除く): 124920315

約数列:

[1, 3, 9, 13, 39, 47, 71, 117, 141, 213, 423, 521, 611, 639, 923, 1563, 1833, 2769, 3337, 4689, 5499, 6773, 8307, 10011, 20319, 24487, 30033, 36991, 43381, 60957, 73461, 110973, 130143, 220383, 318331, 332919, 390429, 480883, 954993, 1442649, 1738577, 2864979, 4327947, 5215731, 15647193, 22601501, 67804503, 203413509]

約数ペア:

[(1, 203413509), (3, 67804503), (9, 22601501), (13, 15647193), (39, 5215731), (47, 4327947), (71, 2864979), (117, 1738577), (141, 1442649), (213, 954993), (423, 480883), (521, 390429), (611, 332919), (639, 318331), (923, 220383), (1563, 130143), (1833, 110973), (2769, 73461), (3337, 60957), (4689, 43381), (5499, 36991), (6773, 30033), (8307, 24487), (10011, 20319)]