172106389

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 232135680

約数和(自身を除く): 60029291

約数列:

[1, 7, 13, 19, 31, 91, 133, 169, 217, 247, 361, 403, 589, 1183, 1729, 2197, 2527, 2821, 3211, 4123, 4693, 5239, 7657, 11191, 15379, 22477, 32851, 36673, 41743, 53599, 61009, 68107, 78337, 99541, 145483, 292201, 427063, 476749, 696787, 793117, 1018381, 1294033, 1891279, 5551819, 9058231, 13238953, 24586627, 172106389]

約数ペア:

[(1, 172106389), (7, 24586627), (13, 13238953), (19, 9058231), (31, 5551819), (91, 1891279), (133, 1294033), (169, 1018381), (217, 793117), (247, 696787), (361, 476749), (403, 427063), (589, 292201), (1183, 145483), (1729, 99541), (2197, 78337), (2527, 68107), (2821, 61009), (3211, 53599), (4123, 41743), (4693, 36673), (5239, 32851), (7657, 22477), (11191, 15379)]