1213919805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{16927}}^1$

素因数の和:17625

約数の個数: 32

約数和(自身を含む): 2223120384

約数和(自身を除く): 1009200579

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 683, 2049, 3415, 4781, 10245, 14343, 16927, 23905, 50781, 71715, 84635, 118489, 253905, 355467, 592445, 1777335, 11561141, 34683423, 57805705, 80927987, 173417115, 242783961, 404639935, 1213919805]

約数ペア:

[(1, 1213919805), (3, 404639935), (5, 242783961), (7, 173417115), (15, 80927987), (21, 57805705), (35, 34683423), (105, 11561141), (683, 1777335), (2049, 592445), (3415, 355467), (4781, 253905), (10245, 118489), (14343, 84635), (16927, 71715), (23905, 50781)]