394714341

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{787}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 688396800

約数和(自身を除く): 293682459

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 419, 787, 1197, 1257, 2361, 2933, 3771, 5509, 7083, 7961, 8799, 14953, 16527, 23883, 26397, 44859, 49581, 55727, 71649, 104671, 134577, 167181, 314013, 329753, 501543, 942039, 989259, 2308271, 2967777, 6265307, 6924813, 18795921, 20774439, 43857149, 56387763, 131571447, 394714341]

約数ペア:

[(1, 394714341), (3, 131571447), (7, 56387763), (9, 43857149), (19, 20774439), (21, 18795921), (57, 6924813), (63, 6265307), (133, 2967777), (171, 2308271), (399, 989259), (419, 942039), (787, 501543), (1197, 329753), (1257, 314013), (2361, 167181), (2933, 134577), (3771, 104671), (5509, 71649), (7083, 55727), (7961, 49581), (8799, 44859), (14953, 26397), (16527, 23883)]