28474089

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 45219840

約数和(自身を除く): 16745751

約数列:

[1, 3, 7, 21, 31, 93, 191, 217, 229, 573, 651, 687, 1337, 1603, 4011, 4809, 5921, 7099, 17763, 21297, 41447, 43739, 49693, 124341, 131217, 149079, 306173, 918519, 1355909, 4067727, 9491363, 28474089]

約数ペア:

[(1, 28474089), (3, 9491363), (7, 4067727), (21, 1355909), (31, 918519), (93, 306173), (191, 149079), (217, 131217), (229, 124341), (573, 49693), (651, 43739), (687, 41447), (1337, 21297), (1603, 17763), (4011, 7099), (4809, 5921)]