821497194

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{3359}}^1$

素因数の和:4024

約数の個数: 64

約数和(自身を含む): 2090188800

約数和(自身を除く): 1268691606

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 647, 1294, 1941, 3359, 3882, 4529, 5823, 6718, 9058, 10077, 11646, 13587, 17469, 20154, 23513, 27174, 30231, 34938, 40761, 47026, 60462, 70539, 81522, 90693, 122283, 141078, 181386, 211617, 244566, 423234, 634851, 1269702, 2173273, 4346546, 6519819, 13039638, 15212911, 19559457, 30425822, 39118914, 45638733, 58678371, 91277466, 117356742, 136916199, 273832398, 410748597, 821497194]

約数ペア:

[(1, 821497194), (2, 410748597), (3, 273832398), (6, 136916199), (7, 117356742), (9, 91277466), (14, 58678371), (18, 45638733), (21, 39118914), (27, 30425822), (42, 19559457), (54, 15212911), (63, 13039638), (126, 6519819), (189, 4346546), (378, 2173273), (647, 1269702), (1294, 634851), (1941, 423234), (3359, 244566), (3882, 211617), (4529, 181386), (5823, 141078), (6718, 122283), (9058, 90693), (10077, 81522), (11646, 70539), (13587, 60462), (17469, 47026), (20154, 40761), (23513, 34938), (27174, 30231)]