16930431

素因数分解:

$3^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 29767680

約数和(自身を除く): 12837249

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 147, 189, 191, 201, 441, 469, 573, 603, 1323, 1337, 1407, 1719, 1809, 3283, 4011, 4221, 5157, 9359, 9849, 12033, 12663, 12797, 28077, 29547, 36099, 38391, 84231, 88641, 89579, 115173, 252693, 268737, 345519, 627053, 806211, 1881159, 2418633, 5643477, 16930431]

約数ペア:

[(1, 16930431), (3, 5643477), (7, 2418633), (9, 1881159), (21, 806211), (27, 627053), (49, 345519), (63, 268737), (67, 252693), (147, 115173), (189, 89579), (191, 88641), (201, 84231), (441, 38391), (469, 36099), (573, 29547), (603, 28077), (1323, 12797), (1337, 12663), (1407, 12033), (1719, 9849), (1809, 9359), (3283, 5157), (4011, 4221)]