249528735

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 456101760

約数和(自身を除く): 206573025

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 157, 183, 193, 305, 471, 549, 579, 785, 915, 965, 1413, 1647, 1737, 2355, 2745, 2895, 4239, 5211, 7065, 8235, 8685, 9577, 11773, 21195, 26055, 28731, 30301, 35319, 47885, 58865, 86193, 90903, 105957, 143655, 151505, 176595, 258579, 272709, 317871, 430965, 454515, 529785, 818127, 1292895, 1363545, 1589355, 1848361, 4090635, 5545083, 9241805, 16635249, 27725415, 49905747, 83176245, 249528735]

約数ペア:

[(1, 249528735), (3, 83176245), (5, 49905747), (9, 27725415), (15, 16635249), (27, 9241805), (45, 5545083), (61, 4090635), (135, 1848361), (157, 1589355), (183, 1363545), (193, 1292895), (305, 818127), (471, 529785), (549, 454515), (579, 430965), (785, 317871), (915, 272709), (965, 258579), (1413, 176595), (1647, 151505), (1737, 143655), (2355, 105957), (2745, 90903), (2895, 86193), (4239, 58865), (5211, 47885), (7065, 35319), (8235, 30301), (8685, 28731), (9577, 26055), (11773, 21195)]