128332911

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 206841600

約数和(自身を除く): 78508689

約数列:

[1, 3, 7, 21, 41, 49, 107, 123, 147, 199, 287, 321, 597, 749, 861, 1393, 2009, 2247, 4179, 4387, 5243, 6027, 8159, 9751, 13161, 15729, 21293, 24477, 29253, 30709, 57113, 63879, 92127, 149051, 171339, 214963, 399791, 447153, 644889, 873013, 1043357, 1199373, 2619039, 3130071, 6111091, 18333273, 42777637, 128332911]

約数ペア:

[(1, 128332911), (3, 42777637), (7, 18333273), (21, 6111091), (41, 3130071), (49, 2619039), (107, 1199373), (123, 1043357), (147, 873013), (199, 644889), (287, 447153), (321, 399791), (597, 214963), (749, 171339), (861, 149051), (1393, 92127), (2009, 63879), (2247, 57113), (4179, 30709), (4387, 29253), (5243, 24477), (6027, 21293), (8159, 15729), (9751, 13161)]