15724989

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 29184000

約数和(自身を除く): 13459011

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 57, 63, 87, 133, 151, 171, 189, 203, 261, 399, 453, 513, 551, 609, 783, 1057, 1197, 1359, 1653, 1827, 2869, 3171, 3591, 3857, 4077, 4379, 4959, 5481, 8607, 9513, 11571, 13137, 14877, 20083, 25821, 28539, 30653, 34713, 39411, 60249, 77463, 83201, 91959, 104139, 118233, 180747, 249603, 275877, 542241, 582407, 748809, 827631, 1747221, 2246427, 5241663, 15724989]

約数ペア:

[(1, 15724989), (3, 5241663), (7, 2246427), (9, 1747221), (19, 827631), (21, 748809), (27, 582407), (29, 542241), (57, 275877), (63, 249603), (87, 180747), (133, 118233), (151, 104139), (171, 91959), (189, 83201), (203, 77463), (261, 60249), (399, 39411), (453, 34713), (513, 30653), (551, 28539), (609, 25821), (783, 20083), (1057, 14877), (1197, 13137), (1359, 11571), (1653, 9513), (1827, 8607), (2869, 5481), (3171, 4959), (3591, 4379), (3857, 4077)]