18834525

素因数分解:

$3^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 60

約数和(自身を含む): 35649504

約数和(自身を除く): 16814979

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 131, 135, 213, 225, 355, 393, 405, 639, 655, 675, 1065, 1179, 1775, 1917, 1965, 2025, 3195, 3275, 3537, 5325, 5751, 5895, 9301, 9585, 9825, 10611, 15975, 17685, 27903, 28755, 29475, 46505, 47925, 53055, 83709, 88425, 139515, 143775, 232525, 251127, 265275, 418545, 697575, 753381, 1255635, 2092725, 3766905, 6278175, 18834525]

約数ペア:

[(1, 18834525), (3, 6278175), (5, 3766905), (9, 2092725), (15, 1255635), (25, 753381), (27, 697575), (45, 418545), (71, 265275), (75, 251127), (81, 232525), (131, 143775), (135, 139515), (213, 88425), (225, 83709), (355, 53055), (393, 47925), (405, 46505), (639, 29475), (655, 28755), (675, 27903), (1065, 17685), (1179, 15975), (1775, 10611), (1917, 9825), (1965, 9585), (2025, 9301), (3195, 5895), (3275, 5751), (3537, 5325)]