1231993269

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 2055456000

約数和(自身を除く): 823462731

約数列:

[1, 3, 9, 13, 19, 39, 57, 89, 117, 169, 171, 247, 267, 479, 507, 741, 801, 1157, 1437, 1521, 1691, 2223, 3211, 3471, 4311, 5073, 6227, 9101, 9633, 10413, 15041, 15219, 18681, 21983, 27303, 28899, 42631, 45123, 56043, 65949, 80951, 81909, 118313, 127893, 135369, 197847, 242853, 285779, 354939, 383679, 554203, 728559, 809989, 857337, 1064817, 1538069, 1662609, 2429967, 2572011, 4614207, 4987827, 7204639, 7289901, 10529857, 13842621, 21613917, 31589571, 64841751, 94768713, 136888141, 410664423, 1231993269]

約数ペア:

[(1, 1231993269), (3, 410664423), (9, 136888141), (13, 94768713), (19, 64841751), (39, 31589571), (57, 21613917), (89, 13842621), (117, 10529857), (169, 7289901), (171, 7204639), (247, 4987827), (267, 4614207), (479, 2572011), (507, 2429967), (741, 1662609), (801, 1538069), (1157, 1064817), (1437, 857337), (1521, 809989), (1691, 728559), (2223, 554203), (3211, 383679), (3471, 354939), (4311, 285779), (5073, 242853), (6227, 197847), (9101, 135369), (9633, 127893), (10413, 118313), (15041, 81909), (15219, 80951), (18681, 65949), (21983, 56043), (27303, 45123), (28899, 42631)]