71047515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 143078400

約数和(自身を除く): 72030885

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 137, 165, 231, 385, 411, 449, 685, 959, 1155, 1347, 1507, 2055, 2245, 2877, 3143, 4521, 4795, 4939, 6735, 7535, 9429, 10549, 14385, 14817, 15715, 22605, 24695, 31647, 34573, 47145, 52745, 61513, 74085, 103719, 158235, 172865, 184539, 307565, 430591, 518595, 676643, 922695, 1291773, 2029929, 2152955, 3383215, 4736501, 6458865, 10149645, 14209503, 23682505, 71047515]

約数ペア:

[(1, 71047515), (3, 23682505), (5, 14209503), (7, 10149645), (11, 6458865), (15, 4736501), (21, 3383215), (33, 2152955), (35, 2029929), (55, 1291773), (77, 922695), (105, 676643), (137, 518595), (165, 430591), (231, 307565), (385, 184539), (411, 172865), (449, 158235), (685, 103719), (959, 74085), (1155, 61513), (1347, 52745), (1507, 47145), (2055, 34573), (2245, 31647), (2877, 24695), (3143, 22605), (4521, 15715), (4795, 14817), (4939, 14385), (6735, 10549), (7535, 9429)]