169987135

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 218972160

約数和(自身を除く): 48985025

約数列:

[1, 5, 23, 71, 109, 115, 191, 355, 545, 955, 1633, 2507, 4393, 7739, 8165, 12535, 13561, 20819, 21965, 38695, 67805, 104095, 177997, 311903, 478837, 889985, 1478149, 1559515, 2394185, 7390745, 33997427, 169987135]

約数ペア:

[(1, 169987135), (5, 33997427), (23, 7390745), (71, 2394185), (109, 1559515), (115, 1478149), (191, 889985), (355, 478837), (545, 311903), (955, 177997), (1633, 104095), (2507, 67805), (4393, 38695), (7739, 21965), (8165, 20819), (12535, 13561)]