388645929

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{397}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 660616320

約数和(自身を除く): 271970391

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 379, 397, 861, 1137, 1191, 2583, 2653, 2779, 3411, 3573, 7959, 8337, 15539, 16277, 23877, 25011, 46617, 48831, 108773, 113939, 139851, 146493, 150463, 326319, 341817, 451389, 978957, 1025451, 1053241, 1354167, 3159723, 6168983, 9479169, 18506949, 43182881, 55520847, 129548643, 388645929]

約数ペア:

[(1, 388645929), (3, 129548643), (7, 55520847), (9, 43182881), (21, 18506949), (41, 9479169), (63, 6168983), (123, 3159723), (287, 1354167), (369, 1053241), (379, 1025451), (397, 978957), (861, 451389), (1137, 341817), (1191, 326319), (2583, 150463), (2653, 146493), (2779, 139851), (3411, 113939), (3573, 108773), (7959, 48831), (8337, 46617), (15539, 25011), (16277, 23877)]