28403595

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 56954880

約数和(自身を除く): 28551285

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 93, 99, 135, 155, 165, 279, 297, 341, 465, 495, 617, 837, 1023, 1395, 1485, 1705, 1851, 3069, 3085, 4185, 5115, 5553, 6787, 9207, 9255, 15345, 16659, 19127, 20361, 27765, 33935, 46035, 57381, 61083, 83295, 95635, 101805, 172143, 183249, 210397, 286905, 305415, 516429, 631191, 860715, 916245, 1051985, 1893573, 2582145, 3155955, 5680719, 9467865, 28403595]

約数ペア:

[(1, 28403595), (3, 9467865), (5, 5680719), (9, 3155955), (11, 2582145), (15, 1893573), (27, 1051985), (31, 916245), (33, 860715), (45, 631191), (55, 516429), (93, 305415), (99, 286905), (135, 210397), (155, 183249), (165, 172143), (279, 101805), (297, 95635), (341, 83295), (465, 61083), (495, 57381), (617, 46035), (837, 33935), (1023, 27765), (1395, 20361), (1485, 19127), (1705, 16659), (1851, 15345), (3069, 9255), (3085, 9207), (4185, 6787), (5115, 5553)]