221212041

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1367}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 330946560

約数和(自身を除く): 109734519

約数列:

[1, 3, 17, 19, 51, 57, 167, 323, 501, 969, 1367, 2839, 3173, 4101, 8517, 9519, 23239, 25973, 53941, 69717, 77919, 161823, 228289, 441541, 684867, 1324623, 3880913, 4337491, 11642739, 13012473, 73737347, 221212041]

約数ペア:

[(1, 221212041), (3, 73737347), (17, 13012473), (19, 11642739), (51, 4337491), (57, 3880913), (167, 1324623), (323, 684867), (501, 441541), (969, 228289), (1367, 161823), (2839, 77919), (3173, 69717), (4101, 53941), (8517, 25973), (9519, 23239)]