620181387

素因数分解:

$3^3\times 7^3\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 1080576000

約数和(自身を除く): 460394613

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 167, 189, 343, 401, 441, 501, 1029, 1169, 1203, 1323, 1503, 2807, 3087, 3507, 3609, 4509, 8183, 8421, 9261, 10521, 10827, 19649, 24549, 25263, 31563, 57281, 58947, 66967, 73647, 75789, 137543, 171843, 176841, 200901, 220941, 412629, 468769, 515529, 530523, 602703, 1237887, 1406307, 1546587, 1808109, 3281383, 3713661, 4218921, 9844149, 12656763, 22969681, 29532447, 68909043, 88597341, 206727129, 620181387]

約数ペア:

[(1, 620181387), (3, 206727129), (7, 88597341), (9, 68909043), (21, 29532447), (27, 22969681), (49, 12656763), (63, 9844149), (147, 4218921), (167, 3713661), (189, 3281383), (343, 1808109), (401, 1546587), (441, 1406307), (501, 1237887), (1029, 602703), (1169, 530523), (1203, 515529), (1323, 468769), (1503, 412629), (2807, 220941), (3087, 200901), (3507, 176841), (3609, 171843), (4509, 137543), (8183, 75789), (8421, 73647), (9261, 66967), (10521, 58947), (10827, 57281), (19649, 31563), (24549, 25263)]