1664745

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 2851200

約数和(自身を除く): 1186455

約数列:

[1, 3, 5, 15, 29, 43, 87, 89, 129, 145, 215, 267, 435, 445, 645, 1247, 1335, 2581, 3741, 3827, 6235, 7743, 11481, 12905, 18705, 19135, 38715, 57405, 110983, 332949, 554915, 1664745]

約数ペア:

[(1, 1664745), (3, 554915), (5, 332949), (15, 110983), (29, 57405), (43, 38715), (87, 19135), (89, 18705), (129, 12905), (145, 11481), (215, 7743), (267, 6235), (435, 3827), (445, 3741), (645, 2581), (1247, 1335)]