1987317

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 3144960

約数和(自身を除く): 1157643

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 419, 527, 1257, 1581, 3771, 4743, 7123, 12989, 21369, 38967, 64107, 116901, 220813, 662439, 1987317]

約数ペア:

[(1, 1987317), (3, 662439), (9, 220813), (17, 116901), (31, 64107), (51, 38967), (93, 21369), (153, 12989), (279, 7123), (419, 4743), (527, 3771), (1257, 1581)]